76749131 has 2 divisors, whose sum is σ = 76749132. Its totient is φ = 76749130.

The previous prime is 76749119. The next prime is 76749139. The reversal of 76749131 is 13194767.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76749131 - 2¹⁸ = 76486987 is a prime.

It is a super-2 number, since 2×76749131² = 11780858218510322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76749139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38374565 + 38374566.

It is an arithmetic number, because the mean of its divisors is an integer number (38374566).

Almost surely, 2^76749131 is an apocalyptic number.

76749131 is a deficient number, since it is larger than the sum of its proper divisors (1).

76749131 is an equidigital number, since it uses as much as digits as its factorization.

76749131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 76749131 is about 8760.6581373776. The cubic root of 76749131 is about 424.9695590654.

The spelling of 76749131 in words is "seventy-six million, seven hundred forty-nine thousand, one hundred thirty-one".