76149631 has 2 divisors, whose sum is σ = 76149632. Its totient is φ = 76149630.

The previous prime is 76149617. The next prime is 76149649. The reversal of 76149631 is 13694167.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76149631 - 2⁷ = 76149503 is a prime.

It is a super-2 number, since 2×76149631² = 11597532602872322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76141631) by changing a digit.

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 as a sum of consecutive naturals, namely, 38074815 + 38074816.

It is an arithmetic number, because the mean of its divisors is an integer number (38074816).

Almost surely, 2^76149631 is an apocalyptic number.

76149631 is a deficient number, since it is larger than the sum of its proper divisors (1).

76149631 is an equidigital number, since it uses as much as digits as its factorization.

76149631 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 76149631 is about 8726.3755935669. The cubic root of 76149631 is about 423.8601632581.

The spelling of 76149631 in words is "seventy-six million, one hundred forty-nine thousand, six hundred thirty-one".