736812864 has 42 divisors (see below), whose sum is σ = 2111942690. Its totient is φ = 245604096.

The previous prime is 736812863. The next prime is 736812893. The reversal of 736812864 is 468218637.

736812864 is a `hidden beast` number, since 7 + 368 + 1 + 286 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 709689600 + 27123264 = 26640^2 + 5208^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736812863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 639019 + ... + 640170.

Almost surely, 2^736812864 is an apocalyptic number.

It is an amenable number.

736812864 is an abundant number, since it is smaller than the sum of its proper divisors (1375129826).

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

736812864 is a wasteful number, since it uses less digits than its factorization.

736812864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279207 (or 1279194 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 736812864 is about 27144.2970806024. The cubic root of 736812864 is about 903.2037523612.

The spelling of 736812864 in words is "seven hundred thirty-six million, eight hundred twelve thousand, eight hundred sixty-four".