736400722036 has 18 divisors (see below), whose sum is σ = 1499101470258. Its totient is φ = 315600309360.

The previous prime is 736400722021. The next prime is 736400722039. The reversal of 736400722036 is 630227004637.

It can be written as a sum of positive squares in only one way, i.e., 527012113936 + 209388608100 = 725956^2 + 457590^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 736400722036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736400722039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1878573075 + ... + 1878573466.

Almost surely, 2^736400722036 is an apocalyptic number.

It is an amenable number.

736400722036 is an abundant number, since it is smaller than the sum of its proper divisors (762700748222).

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

736400722036 is a wasteful number, since it uses less digits than its factorization.

736400722036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757146559 (or 3757146550 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 40.

The spelling of 736400722036 in words is "seven hundred thirty-six billion, four hundred million, seven hundred twenty-two thousand, thirty-six".