65672488 has 32 divisors (see below), whose sum is σ = 144164160. Its totient is φ = 27457920.

The previous prime is 65672471. The next prime is 65672507. The reversal of 65672488 is 88427656.

It is a super-2 number, since 2×65672488² = 8625751360220288, which contains 22 as substring.

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, 12006 + ... + 16597.

It is an arithmetic number, because the mean of its divisors is an integer number (4505130).

Almost surely, 2^65672488 is an apocalyptic number.

It is an amenable number.

65672488 is an abundant number, since it is smaller than the sum of its proper divisors (78491672).

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

65672488 is a wasteful number, since it uses less digits than its factorization.

65672488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28657 (or 28653 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 65672488 is about 8103.8563659532. The cubic root of 65672488 is about 403.4544313803.

The spelling of 65672488 in words is "sixty-five million, six hundred seventy-two thousand, four hundred eighty-eight".