72566896 has 40 divisors (see below), whose sum is σ = 144018560. Its totient is φ = 35411904.

The previous prime is 72566887. The next prime is 72566917. The reversal of 72566896 is 69866527.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148765 + ... + 149251.

It is an arithmetic number, because the mean of its divisors is an integer number (3600464).

Almost surely, 2^72566896 is an apocalyptic number.

It is an amenable number.

72566896 is a deficient number, since it is larger than the sum of its proper divisors (71451664).

72566896 is a wasteful number, since it uses less digits than its factorization.

72566896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 695 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

The square root of 72566896 is about 8518.6205456048. The cubic root of 72566896 is about 417.1057552182.

The spelling of 72566896 in words is "seventy-two million, five hundred sixty-six thousand, eight hundred ninety-six".