65427264 has 168 divisors, whose sum is σ = 222634048. Its totient is φ = 18662400.

The previous prime is 65427253. The next prime is 65427287. The reversal of 65427264 is 46272456.

65427264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108564 + ... + 109164.

Almost surely, 2^65427264 is an apocalyptic number.

65427264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65427264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111317024).

65427264 is an abundant number, since it is smaller than the sum of its proper divisors (157206784).

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

65427264 is an equidigital number, since it uses as much as digits as its factorization.

65427264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 613 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 65427264 is about 8088.7121348210. The cubic root of 65427264 is about 402.9516327539.

The spelling of 65427264 in words is "sixty-five million, four hundred twenty-seven thousand, two hundred sixty-four".