76894739 has 2 divisors, whose sum is σ = 76894740. Its totient is φ = 76894738.

The previous prime is 76894717. The next prime is 76894751. The reversal of 76894739 is 93749867.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76894739 is a prime.

It is not a weakly prime, because it can be changed into another prime (76894789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38447369 + 38447370.

It is an arithmetic number, because the mean of its divisors is an integer number (38447370).

Almost surely, 2^76894739 is an apocalyptic number.

76894739 is a deficient number, since it is larger than the sum of its proper divisors (1).

76894739 is an equidigital number, since it uses as much as digits as its factorization.

76894739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2286144, while the sum is 53.

The square root of 76894739 is about 8768.9645340827. The cubic root of 76894739 is about 425.2381392035.

The spelling of 76894739 in words is "seventy-six million, eight hundred ninety-four thousand, seven hundred thirty-nine".