65472080 has 40 divisors (see below), whose sum is σ = 155943144. Its totient is φ = 25548800.

The previous prime is 65472079. The next prime is 65472089. The reversal of 65472080 is 8027456.

It can be written as a sum of positive squares in 4 ways, for example, as 5626384 + 59845696 = 2372^2 + 7736^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65472089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6701 + ... + 13260.

Almost surely, 2^65472080 is an apocalyptic number.

It is an amenable number.

65472080 is an abundant number, since it is smaller than the sum of its proper divisors (90471064).

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

65472080 is a wasteful number, since it uses less digits than its factorization.

65472080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20015 (or 20009 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 65472080 is about 8091.4819409055. The cubic root of 65472080 is about 403.0436156042.

The spelling of 65472080 in words is "sixty-five million, four hundred seventy-two thousand, eighty".