72485766 has 20 divisors (see below), whose sum is σ = 162422172. Its totient is φ = 24161868.

The previous prime is 72485747. The next prime is 72485767. The reversal of 72485766 is 66758427.

72485766 is a `hidden beast` number, since 72 + 4 + 8 + 576 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72485767) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 223560 + ... + 223883.

Almost surely, 2^72485766 is an apocalyptic number.

72485766 is an abundant number, since it is smaller than the sum of its proper divisors (89936406).

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

72485766 is a wasteful number, since it uses less digits than its factorization.

72485766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447457 (or 447448 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 72485766 is about 8513.8572926729. The cubic root of 72485766 is about 416.9502554398.

The spelling of 72485766 in words is "seventy-two million, four hundred eighty-five thousand, seven hundred sixty-six".