64804266 has 32 divisors (see below), whose sum is σ = 146733120. Its totient is φ = 21192912.

The previous prime is 64804249. The next prime is 64804273. The reversal of 64804266 is 66240846.

It is a happy number.

64804266 is a `hidden beast` number, since 648 + 0 + 4 + 2 + 6 + 6 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64804266.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8460 + ... + 14183.

It is an arithmetic number, because the mean of its divisors is an integer number (4585410).

Almost surely, 2^64804266 is an apocalyptic number.

64804266 is an abundant number, since it is smaller than the sum of its proper divisors (81928854).

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

64804266 is a wasteful number, since it uses less digits than its factorization.

64804266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22707 (or 22701 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 64804266 is about 8050.1096886937. The cubic root of 64804266 is about 401.6685840564.

The spelling of 64804266 in words is "sixty-four million, eight hundred four thousand, two hundred sixty-six".