72995776 has 28 divisors (see below), whose sum is σ = 165545008. Its totient is φ = 31283712.

The previous prime is 72995771. The next prime is 72995809. The reversal of 72995776 is 67759927.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72995771) 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, 81021 + ... + 81916.

Almost surely, 2^72995776 is an apocalyptic number.

It is an amenable number.

72995776 is an abundant number, since it is smaller than the sum of its proper divisors (92549232).

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

72995776 is a wasteful number, since it uses less digits than its factorization.

72995776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162956 (or 162946 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 52.

The square root of 72995776 is about 8543.7565508387. The cubic root of 72995776 is about 417.9258585106.

The spelling of 72995776 in words is "seventy-two million, nine hundred ninety-five thousand, seven hundred seventy-six".