76139480 has 16 divisors (see below), whose sum is σ = 171313920. Its totient is φ = 30455776.

The previous prime is 76139467. The next prime is 76139491. The reversal of 76139480 is 8493167.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 951704 + ... + 951783.

It is an arithmetic number, because the mean of its divisors is an integer number (10707120).

Almost surely, 2^76139480 is an apocalyptic number.

It is an amenable number.

76139480 is an abundant number, since it is smaller than the sum of its proper divisors (95174440).

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

76139480 is a wasteful number, since it uses less digits than its factorization.

76139480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903498 (or 1903494 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 76139480 is about 8725.7939466847. The cubic root of 76139480 is about 423.8413284296.

The spelling of 76139480 in words is "seventy-six million, one hundred thirty-nine thousand, four hundred eighty".