64904202 has 24 divisors (see below), whose sum is σ = 153410400. Its totient is φ = 19667880.

The previous prime is 64904131. The next prime is 64904207. The reversal of 64904202 is 20240946.

It is not an unprimeable number, because it can be changed into a prime (64904207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163702 + ... + 164097.

It is an arithmetic number, because the mean of its divisors is an integer number (6392100).

Almost surely, 2^64904202 is an apocalyptic number.

64904202 is an abundant number, since it is smaller than the sum of its proper divisors (88506198).

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

64904202 is a wasteful number, since it uses less digits than its factorization.

64904202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327818 (or 327815 counting only the distinct ones).

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

The square root of 64904202 is about 8056.3144178961. The cubic root of 64904202 is about 401.8749518240.

The spelling of 64904202 in words is "sixty-four million, nine hundred four thousand, two hundred two".