76684475 has 24 divisors (see below), whose sum is σ = 114397440. Its totient is φ = 49813920.

The previous prime is 76684471. The next prime is 76684537. The reversal of 76684475 is 57448667.

It is a happy number.

It is not a de Polignac number, because 76684475 - 2² = 76684471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76684471) 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 23 ways as a sum of consecutive naturals, for example, 8207 + ... + 14856.

It is an arithmetic number, because the mean of its divisors is an integer number (4766560).

Almost surely, 2^76684475 is an apocalyptic number.

76684475 is a deficient number, since it is larger than the sum of its proper divisors (37712965).

76684475 is a wasteful number, since it uses less digits than its factorization.

76684475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23099 (or 23094 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The square root of 76684475 is about 8756.9672261577. The cubic root of 76684475 is about 424.8501894132.

The spelling of 76684475 in words is "seventy-six million, six hundred eighty-four thousand, four hundred seventy-five".