64293424 has 40 divisors (see below), whose sum is σ = 135498272. Its totient is φ = 29376000.

The previous prime is 64293413. The next prime is 64293431. The reversal of 64293424 is 42439246.

It is a self number, because there is not a number n which added to its sum of digits gives 64293424.

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, 19924 + ... + 22924.

Almost surely, 2^64293424 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 64293424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67749136).

64293424 is an abundant number, since it is smaller than the sum of its proper divisors (71204848).

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

64293424 is a wasteful number, since it uses less digits than its factorization.

64293424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125 (or 3119 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 64293424 is about 8018.3180281154. The cubic root of 64293424 is about 400.6103681531.

The spelling of 64293424 in words is "sixty-four million, two hundred ninety-three thousand, four hundred twenty-four".