76975139 has 12 divisors (see below), whose sum is σ = 80170848. Its totient is φ = 73901520.

The previous prime is 76975127. The next prime is 76975153. The reversal of 76975139 is 93157967.

It is a happy number.

It is not a de Polignac number, because 76975139 - 2⁴ = 76975123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76975093 and 76975102.

It is not an unprimeable number, because it can be changed into a prime (76975109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166022 + ... + 166484.

It is an arithmetic number, because the mean of its divisors is an integer number (6680904).

Almost surely, 2^76975139 is an apocalyptic number.

76975139 is a deficient number, since it is larger than the sum of its proper divisors (3195709).

76975139 is a wasteful number, since it uses less digits than its factorization.

76975139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 667 counting only the distinct ones).

The product of its digits is 357210, while the sum is 47.

The square root of 76975139 is about 8773.5476860846. The cubic root of 76975139 is about 425.3862951453.

The spelling of 76975139 in words is "seventy-six million, nine hundred seventy-five thousand, one hundred thirty-nine".