7666872 has 16 divisors (see below), whose sum is σ = 19167240. Its totient is φ = 2555616.

The previous prime is 7666859. The next prime is 7666903. The reversal of 7666872 is 2786667.

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, 159703 + ... + 159750.

Almost surely, 2^7666872 is an apocalyptic number.

It is an amenable number.

7666872 is an abundant number, since it is smaller than the sum of its proper divisors (11500368).

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

7666872 is a wasteful number, since it uses less digits than its factorization.

7666872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319462 (or 319458 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 7666872 is about 2768.9116995672. The cubic root of 7666872 is about 197.1844836635.

The spelling of 7666872 in words is "seven million, six hundred sixty-six thousand, eight hundred seventy-two".