65276872 has 32 divisors (see below), whose sum is σ = 131074200. Its totient is φ = 30367744.

The previous prime is 65276851. The next prime is 65276891. The reversal of 65276872 is 27867256.

It can be written as a sum of positive squares in 4 ways, for example, as 64224196 + 1052676 = 8014^2 + 1026^2 .

It is a super-2 number, since 2×65276872² = 8522140036208768, 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, 9408 + ... + 14800.

Almost surely, 2^65276872 is an apocalyptic number.

It is an amenable number.

65276872 is an abundant number, since it is smaller than the sum of its proper divisors (65797328).

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

65276872 is a wasteful number, since it uses less digits than its factorization.

65276872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505 (or 5501 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 65276872 is about 8079.4103745261. The cubic root of 65276872 is about 402.6426525207.

The spelling of 65276872 in words is "sixty-five million, two hundred seventy-six thousand, eight hundred seventy-two".