64407404 has 12 divisors (see below), whose sum is σ = 113113224. Its totient is φ = 32089344.

The previous prime is 64407403. The next prime is 64407439. The reversal of 64407404 is 40470446.

It is not an unprimeable number, because it can be changed into a prime (64407403) 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, 27317 + ... + 29580.

It is an arithmetic number, because the mean of its divisors is an integer number (9426102).

Almost surely, 2^64407404 is an apocalyptic number.

It is an amenable number.

64407404 is a deficient number, since it is larger than the sum of its proper divisors (48705820).

64407404 is a wasteful number, since it uses less digits than its factorization.

64407404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57184 (or 57182 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 64407404 is about 8025.4223564869. The cubic root of 64407404 is about 400.8469636988.

The spelling of 64407404 in words is "sixty-four million, four hundred seven thousand, four hundred four".