7072656 has 20 divisors (see below), whose sum is σ = 18271152. Its totient is φ = 2357536.

The previous prime is 7072649. The next prime is 7072657. The reversal of 7072656 is 6562707.

It is not an unprimeable number, because it can be changed into a prime (7072657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73626 + ... + 73721.

Almost surely, 2^7072656 is an apocalyptic number.

It is an amenable number.

7072656 is an abundant number, since it is smaller than the sum of its proper divisors (11198496).

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

7072656 is a wasteful number, since it uses less digits than its factorization.

7072656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147358 (or 147352 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 7072656 is about 2659.4465589667. The cubic root of 7072656 is about 191.9526793104.

The spelling of 7072656 in words is "seven million, seventy-two thousand, six hundred fifty-six".