76713645 has 16 divisors (see below), whose sum is σ = 122850432. Its totient is φ = 40877760.

The previous prime is 76713599. The next prime is 76713649. The reversal of 76713645 is 54631767.

It is not a de Polignac number, because 76713645 - 2⁸ = 76713389 is a prime.

It is a super-3 number, since 3×76713645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76713649) 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 15 ways as a sum of consecutive naturals, for example, 32040 + ... + 34350.

It is an arithmetic number, because the mean of its divisors is an integer number (7678152).

Almost surely, 2^76713645 is an apocalyptic number.

It is an amenable number.

76713645 is a deficient number, since it is larger than the sum of its proper divisors (46136787).

76713645 is a wasteful number, since it uses less digits than its factorization.

76713645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532.

The product of its digits is 105840, while the sum is 39.

The square root of 76713645 is about 8758.6325987565. The cubic root of 76713645 is about 424.9040521582.

The spelling of 76713645 in words is "seventy-six million, seven hundred thirteen thousand, six hundred forty-five".