64506424 has 16 divisors (see below), whose sum is σ = 121111200. Its totient is φ = 32210112.

The previous prime is 64506413. The next prime is 64506427. The reversal of 64506424 is 42460546.

It is a super-2 number, since 2×64506424² = 8322157474535552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64506427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489 + ... + 11455.

It is an arithmetic number, because the mean of its divisors is an integer number (7569450).

Almost surely, 2^64506424 is an apocalyptic number.

It is an amenable number.

64506424 is a deficient number, since it is larger than the sum of its proper divisors (56604776).

64506424 is a wasteful number, since it uses less digits than its factorization.

64506424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10782 (or 10778 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 64506424 is about 8031.5891329176. The cubic root of 64506424 is about 401.0522793430.

The spelling of 64506424 in words is "sixty-four million, five hundred six thousand, four hundred twenty-four".