736606794564 has 45 divisors (see below), whose sum is σ = 1925676050221. Its totient is φ = 245530448640.

The previous prime is 736606794551. The next prime is 736606794587. The reversal of 736606794564 is 465497606637.

The square root of 736606794564 is 858258.

It is a perfect power (a square), and thus also a powerful number.

736606794564 is a `hidden beast` number, since 7 + 3 + 6 + 6 + 0 + 67 + 9 + 4 + 564 = 666.

It can be written as a sum of positive squares in only one way, i.e., 139757840964 + 596848953600 = 373842^2 + 772560^2 .

It is a super-5 number, since 5×736606794564⁵ (a number of 61 digits) contains 55555 as substring.

It is a Duffinian number.

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 14 ways as a sum of consecutive naturals, for example, 15424804 + ... + 15472484.

Almost surely, 2^736606794564 is an apocalyptic number.

736606794564 is the 858258-th square number.

It is an amenable number.

736606794564 is an abundant number, since it is smaller than the sum of its proper divisors (1189069255657).

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

736606794564 is an frugal number, since it uses more digits than its factorization.

736606794564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95378 (or 47686 counting only the distinct ones).

The product of its (nonzero) digits is 137168640, while the sum is 63.

The spelling of 736606794564 in words is "seven hundred thirty-six billion, six hundred six million, seven hundred ninety-four thousand, five hundred sixty-four".