65315472 has 40 divisors (see below), whose sum is σ = 169557600. Its totient is φ = 21665280.

The previous prime is 65315449. The next prime is 65315519. The reversal of 65315472 is 27451356.

It is a super-2 number, since 2×65315472² = 8532221765165568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6904 + ... + 13352.

It is an arithmetic number, because the mean of its divisors is an integer number (4238940).

Almost surely, 2^65315472 is an apocalyptic number.

It is an amenable number.

65315472 is an abundant number, since it is smaller than the sum of its proper divisors (104242128).

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

65315472 is a wasteful number, since it uses less digits than its factorization.

65315472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6671 (or 6665 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 65315472 is about 8081.7988096710. The cubic root of 65315472 is about 402.7220014205.

The spelling of 65315472 in words is "sixty-five million, three hundred fifteen thousand, four hundred seventy-two".