76482139 has 4 divisors (see below), whose sum is σ = 77183920. Its totient is φ = 75780360.

The previous prime is 76482137. The next prime is 76482143. The reversal of 76482139 is 93128467.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76482139 - 2¹ = 76482137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76482137) 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 3 ways as a sum of consecutive naturals, for example, 350727 + ... + 350944.

It is an arithmetic number, because the mean of its divisors is an integer number (19295980).

Almost surely, 2^76482139 is an apocalyptic number.

76482139 is a deficient number, since it is larger than the sum of its proper divisors (701781).

76482139 is a wasteful number, since it uses less digits than its factorization.

76482139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701780.

The product of its digits is 72576, while the sum is 40.

The square root of 76482139 is about 8745.4067372536. The cubic root of 76482139 is about 424.4761971353.

The spelling of 76482139 in words is "seventy-six million, four hundred eighty-two thousand, one hundred thirty-nine".