402634072 has 16 divisors (see below), whose sum is σ = 760372200. Its totient is φ = 199868160.

The previous prime is 402634051. The next prime is 402634087. The reversal of 402634072 is 270436204.

It is a super-2 number, since 2×402634072² = 324228391870602368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402634072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179929 + ... + 182152.

Almost surely, 2^402634072 is an apocalyptic number.

It is an amenable number.

402634072 is a deficient number, since it is larger than the sum of its proper divisors (357738128).

402634072 is a wasteful number, since it uses less digits than its factorization.

402634072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362226 (or 362222 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 402634072 is about 20065.7437440031. The cubic root of 402634072 is about 738.4200965503.

The spelling of 402634072 in words is "four hundred two million, six hundred thirty-four thousand, seventy-two".