36757708729 has 27 divisors (see below), whose sum is σ = 43568459181. Its totient is φ = 30921085440.

The previous prime is 36757708651. The next prime is 36757708751. The reversal of 36757708729 is 92780775763.

The square root of 36757708729 is 191723.

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

It can be written as a sum of positive squares in 4 ways, for example, as 8203468329 + 28554240400 = 90573^2 + 168980^2 .

It is not a de Polignac number, because 36757708729 - 2¹⁷ = 36757577657 is a prime.

It is a super-2 number, since 2×36757708729² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36757708759) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 81865497 + ... + 81865945.

Almost surely, 2^36757708729 is an apocalyptic number.

36757708729 is the 191723-rd square number.

36757708729 is the 95862-nd centered octagonal number.

It is an amenable number.

36757708729 is a deficient number, since it is larger than the sum of its proper divisors (6810750452).

36757708729 is an frugal number, since it uses more digits than its factorization.

36757708729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 31116960, while the sum is 61.

The spelling of 36757708729 in words is "thirty-six billion, seven hundred fifty-seven million, seven hundred eight thousand, seven hundred twenty-nine".