64022904 has 96 divisors (see below), whose sum is σ = 190522800. Its totient is φ = 19261440.

The previous prime is 64022891. The next prime is 64022909. The reversal of 64022904 is 40922046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64022909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 181192 + ... + 181544.

Almost surely, 2^64022904 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 64022904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95261400).

64022904 is an abundant number, since it is smaller than the sum of its proper divisors (126499896).

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

64022904 is a wasteful number, since it uses less digits than its factorization.

64022904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 64022904 is about 8001.4313719484. The cubic root of 64022904 is about 400.0477109756.

The spelling of 64022904 in words is "sixty-four million, twenty-two thousand, nine hundred four".