42253704 has 128 divisors (see below), whose sum is σ = 128044800. Its totient is φ = 12856320.

The previous prime is 42253697. The next prime is 42253711. The reversal of 42253704 is 40735224.

It is an interprime number because it is at equal distance from previous prime (42253697) and next prime (42253711).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135709 + ... + 136019.

It is an arithmetic number, because the mean of its divisors is an integer number (1000350).

Almost surely, 2^42253704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42253704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64022400).

42253704 is an abundant number, since it is smaller than the sum of its proper divisors (85791096).

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

42253704 is a wasteful number, since it uses less digits than its factorization.

42253704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42253704 is about 6500.2849168325. The cubic root of 42253704 is about 348.3011661624.

Adding to 42253704 its reverse (40735224), we get a palindrome (82988928).

The spelling of 42253704 in words is "forty-two million, two hundred fifty-three thousand, seven hundred four".