76416645 has 16 divisors (see below), whose sum is σ = 122375232. Its totient is φ = 40719360.

The previous prime is 76416629. The next prime is 76416671. The reversal of 76416645 is 54661467.

It is not a de Polignac number, because 76416645 - 2⁴ = 76416629 is a prime.

It is a congruent number.

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, 30490 + ... + 32900.

It is an arithmetic number, because the mean of its divisors is an integer number (7648452).

Almost surely, 2^76416645 is an apocalyptic number.

It is an amenable number.

76416645 is a deficient number, since it is larger than the sum of its proper divisors (45958587).

76416645 is a wasteful number, since it uses less digits than its factorization.

76416645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532.

The product of its digits is 120960, while the sum is 39.

The square root of 76416645 is about 8741.6614553528. The cubic root of 76416645 is about 424.3549985404.

The spelling of 76416645 in words is "seventy-six million, four hundred sixteen thousand, six hundred forty-five".