76994737 has 2 divisors, whose sum is σ = 76994738. Its totient is φ = 76994736.

The previous prime is 76994719. The next prime is 76994759. The reversal of 76994737 is 73749967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76580001 + 414736 = 8751^2 + 644^2 .

It is a cyclic number.

It is not a de Polignac number, because 76994737 - 2²³ = 68606129 is a prime.

It is not a weakly prime, because it can be changed into another prime (76994237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38497368 + 38497369.

It is an arithmetic number, because the mean of its divisors is an integer number (38497369).

Almost surely, 2^76994737 is an apocalyptic number.

It is an amenable number.

76994737 is a deficient number, since it is larger than the sum of its proper divisors (1).

76994737 is an equidigital number, since it uses as much as digits as its factorization.

76994737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2000376, while the sum is 52.

The square root of 76994737 is about 8774.6644950106. The cubic root of 76994737 is about 425.4223934375.

The spelling of 76994737 in words is "seventy-six million, nine hundred ninety-four thousand, seven hundred thirty-seven".