76739490 has 24 divisors (see below), whose sum is σ = 199522908. Its totient is φ = 20463840.

The previous prime is 76739483. The next prime is 76739519. The reversal of 76739490 is 9493767.

It can be written as a sum of positive squares in 2 ways, for example, as 72948681 + 3790809 = 8541^2 + 1947^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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, 426241 + ... + 426420.

Almost surely, 2^76739490 is an apocalyptic number.

76739490 is an abundant number, since it is smaller than the sum of its proper divisors (122783418).

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

76739490 is a wasteful number, since it uses less digits than its factorization.

76739490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852674 (or 852671 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 76739490 is about 8760.1078760481. The cubic root of 76739490 is about 424.9517638450.

The spelling of 76739490 in words is "seventy-six million, seven hundred thirty-nine thousand, four hundred ninety".