65332464 has 80 divisors (see below), whose sum is σ = 175194144. Its totient is φ = 20966400.

The previous prime is 65332441. The next prime is 65332471. The reversal of 65332464 is 46423356.

It is a super-2 number, since 2×65332464² = 8536661704622592, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

Its product of digits (51840) is a multiple of the sum of its prime divisors (540).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154974 + ... + 155394.

Almost surely, 2^65332464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65332464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87597072).

65332464 is an abundant number, since it is smaller than the sum of its proper divisors (109861680).

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

65332464 is a wasteful number, since it uses less digits than its factorization.

65332464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546 (or 540 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 65332464 is about 8082.8499924222. The cubic root of 65332464 is about 402.7569214719.

The spelling of 65332464 in words is "sixty-five million, three hundred thirty-two thousand, four hundred sixty-four".