42913332 has 144 divisors (see below), whose sum is σ = 137434752. Its totient is φ = 10967040.

The previous prime is 42913327. The next prime is 42913337. The reversal of 42913332 is 23331924.

It is a happy number.

42913332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42913327) and next prime (42913337).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42913296 and 42913305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42913337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313168 + ... + 313304.

It is an arithmetic number, because the mean of its divisors is an integer number (954408).

Almost surely, 2^42913332 is an apocalyptic number.

42913332 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42913332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68717376).

42913332 is an abundant number, since it is smaller than the sum of its proper divisors (94521420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42913332 is a wasteful number, since it uses less digits than its factorization.

42913332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 273 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 42913332 is about 6550.8268180437. The cubic root of 42913332 is about 350.1042736931.

The spelling of 42913332 in words is "forty-two million, nine hundred thirteen thousand, three hundred thirty-two".