756972994 has 16 divisors (see below), whose sum is σ = 1142926200. Its totient is φ = 376006144.

The previous prime is 756972971. The next prime is 756973013. The reversal of 756972994 is 499279657.

It can be written as a sum of positive squares in 4 ways, for example, as 125104225 + 631868769 = 11185^2 + 25137^2 .

It is a super-2 number, since 2×756972994² = 1146016227290648072, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 207474 + ... + 211090.

Almost surely, 2^756972994 is an apocalyptic number.

756972994 is a deficient number, since it is larger than the sum of its proper divisors (385953206).

756972994 is a wasteful number, since it uses less digits than its factorization.

756972994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4277.

The product of its digits is 8573040, while the sum is 58.

The square root of 756972994 is about 27513.1422051353. The cubic root of 756972994 is about 911.3673418552.

The spelling of 756972994 in words is "seven hundred fifty-six million, nine hundred seventy-two thousand, nine hundred ninety-four".