64900424 has 16 divisors (see below), whose sum is σ = 128846700. Its totient is φ = 30541312.

The previous prime is 64900399. The next prime is 64900427. The reversal of 64900424 is 42400946.

It can be written as a sum of positive squares in 2 ways, for example, as 63712324 + 1188100 = 7982^2 + 1090^2 .

It is not an unprimeable number, because it can be changed into a prime (64900427) 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, 238469 + ... + 238740.

Almost surely, 2^64900424 is an apocalyptic number.

It is an amenable number.

64900424 is a deficient number, since it is larger than the sum of its proper divisors (63946276).

64900424 is a wasteful number, since it uses less digits than its factorization.

64900424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477232 (or 477228 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 64900424 is about 8056.0799400205. The cubic root of 64900424 is about 401.8671541109.

The spelling of 64900424 in words is "sixty-four million, nine hundred thousand, four hundred twenty-four".