7072904 has 16 divisors (see below), whose sum is σ = 13308300. Its totient is φ = 3524032.

The previous prime is 7072873. The next prime is 7072909. The reversal of 7072904 is 4092707.

It can be written as a sum of positive squares in 2 ways, for example, as 6770404 + 302500 = 2602^2 + 550^2 .

It is not an unprimeable number, because it can be changed into a prime (7072909) 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, 1142 + ... + 3930.

Almost surely, 2^7072904 is an apocalyptic number.

It is an amenable number.

7072904 is a deficient number, since it is larger than the sum of its proper divisors (6235396).

7072904 is a wasteful number, since it uses less digits than its factorization.

7072904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112 (or 3108 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 7072904 is about 2659.4931848004. The cubic root of 7072904 is about 191.9549228668.

The spelling of 7072904 in words is "seven million, seventy-two thousand, nine hundred four".