76684613 has 8 divisors (see below), whose sum is σ = 80287200. Its totient is φ = 73145968.

The previous prime is 76684583. The next prime is 76684639. The reversal of 76684613 is 31648667.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76684613 - 2⁶ = 76684549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76681613) 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 7 ways as a sum of consecutive naturals, for example, 13523 + ... + 18336.

It is an arithmetic number, because the mean of its divisors is an integer number (10035900).

Almost surely, 2^76684613 is an apocalyptic number.

It is an amenable number.

76684613 is a deficient number, since it is larger than the sum of its proper divisors (3602587).

76684613 is a wasteful number, since it uses less digits than its factorization.

76684613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31971.

The product of its digits is 145152, while the sum is 41.

The square root of 76684613 is about 8756.9751055944. The cubic root of 76684613 is about 424.8504442639.

The spelling of 76684613 in words is "seventy-six million, six hundred eighty-four thousand, six hundred thirteen".