42047332 has 24 divisors (see below), whose sum is σ = 76728960. Its totient is φ = 20136480.

The previous prime is 42047321. The next prime is 42047333. The reversal of 42047332 is 23374024.

It is a junction number, because it is equal to n+sod(n) for n = 42047297 and 42047306.

It is not an unprimeable number, because it can be changed into a prime (42047333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13813 + ... + 16579.

It is an arithmetic number, because the mean of its divisors is an integer number (3197040).

Almost surely, 2^42047332 is an apocalyptic number.

It is an amenable number.

42047332 is a deficient number, since it is larger than the sum of its proper divisors (34681628).

42047332 is a wasteful number, since it uses less digits than its factorization.

42047332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 42047332 is about 6484.3914132322. The cubic root of 42047332 is about 347.7331926847.

The spelling of 42047332 in words is "forty-two million, forty-seven thousand, three hundred thirty-two".