407272804 has 12 divisors (see below), whose sum is σ = 719784828. Its totient is φ = 201620000.

The previous prime is 407272777. The next prime is 407272807. The reversal of 407272804 is 408272704.

It can be written as a sum of positive squares in 2 ways, for example, as 208744704 + 198528100 = 14448^2 + 14090^2 .

It is a super-2 number, since 2×407272804² = 331742273756044832, 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 407272804.

It is not an unprimeable number, because it can be changed into a prime (407272807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503647 + ... + 504454.

It is an arithmetic number, because the mean of its divisors is an integer number (59982069).

Almost surely, 2^407272804 is an apocalyptic number.

It is an amenable number.

407272804 is a deficient number, since it is larger than the sum of its proper divisors (312512024).

407272804 is a wasteful number, since it uses less digits than its factorization.

407272804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008206 (or 1008204 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 407272804 is about 20181.0010653585. The cubic root of 407272804 is about 741.2450455095.

The spelling of 407272804 in words is "four hundred seven million, two hundred seventy-two thousand, eight hundred four".