736912208640 has 144 divisors (see below), whose sum is σ = 2353854440448. Its totient is φ = 196481445888.

The previous prime is 736912208621. The next prime is 736912208699. The reversal of 736912208640 is 46802219637.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 736912208640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48771967 + ... + 48787073.

It is an arithmetic number, because the mean of its divisors is an integer number (16346211392).

Almost surely, 2^736912208640 is an apocalyptic number.

It is an amenable number.

736912208640 is an abundant number, since it is smaller than the sum of its proper divisors (1616942231808).

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

736912208640 is a wasteful number, since it uses less digits than its factorization.

736912208640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27834 (or 27820 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 736912208640 in words is "seven hundred thirty-six billion, nine hundred twelve million, two hundred eight thousand, six hundred forty".