76632945 has 16 divisors (see below), whose sum is σ = 123325632. Its totient is φ = 40633280.

The previous prime is 76632937. The next prime is 76632967. The reversal of 76632945 is 54923667.

It is not a de Polignac number, because 76632945 - 2³ = 76632937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76632897 and 76632906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12171 + ... + 17360.

It is an arithmetic number, because the mean of its divisors is an integer number (7707852).

Almost surely, 2^76632945 is an apocalyptic number.

It is an amenable number.

76632945 is a deficient number, since it is larger than the sum of its proper divisors (46692687).

76632945 is a wasteful number, since it uses less digits than its factorization.

76632945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29712.

The product of its digits is 272160, while the sum is 42.

The square root of 76632945 is about 8754.0245030500. The cubic root of 76632945 is about 424.7550052801.

It can be divided in two parts, 76632 and 945, that added together give a palindrome (77577).

The spelling of 76632945 in words is "seventy-six million, six hundred thirty-two thousand, nine hundred forty-five".