76694131 has 2 divisors, whose sum is σ = 76694132. Its totient is φ = 76694130.

The previous prime is 76694119. The next prime is 76694201. The reversal of 76694131 is 13149667.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76694131 is a prime.

It is a super-2 number, since 2×76694131² = 11763979459690322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76694831) 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, 38347065 + 38347066.

It is an arithmetic number, because the mean of its divisors is an integer number (38347066).

Almost surely, 2^76694131 is an apocalyptic number.

76694131 is a deficient number, since it is larger than the sum of its proper divisors (1).

76694131 is an equidigital number, since it uses as much as digits as its factorization.

76694131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 76694131 is about 8757.5185412307. The cubic root of 76694131 is about 424.8680208419.

The spelling of 76694131 in words is "seventy-six million, six hundred ninety-four thousand, one hundred thirty-one".