76139492 has 36 divisors (see below), whose sum is σ = 157737468. Its totient is φ = 31944000.

The previous prime is 76139491. The next prime is 76139509. The reversal of 76139492 is 29493167.

It can be written as a sum of positive squares in 2 ways, for example, as 52070656 + 24068836 = 7216^2 + 4906^2 .

It is not an unprimeable number, because it can be changed into a prime (76139491) 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 in 11 ways as a sum of consecutive naturals, for example, 242 + ... + 12342.

Almost surely, 2^76139492 is an apocalyptic number.

It is an amenable number.

76139492 is an abundant number, since it is smaller than the sum of its proper divisors (81597976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76139492 is a wasteful number, since it uses less digits than its factorization.

76139492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12140 (or 12127 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 76139492 is about 8725.7946343012. The cubic root of 76139492 is about 423.8413506962.

The spelling of 76139492 in words is "seventy-six million, one hundred thirty-nine thousand, four hundred ninety-two".