76685013 has 24 divisors (see below), whose sum is σ = 116533248. Its totient is φ = 48498912.

The previous prime is 76684997. The next prime is 76685023. The reversal of 76685013 is 31058667.

It is not a de Polignac number, because 76685013 - 2⁴ = 76684997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76685023) 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, 24831 + ... + 27747.

It is an arithmetic number, because the mean of its divisors is an integer number (4855552).

Almost surely, 2^76685013 is an apocalyptic number.

It is an amenable number.

76685013 is a deficient number, since it is larger than the sum of its proper divisors (39848235).

76685013 is a wasteful number, since it uses less digits than its factorization.

76685013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 76685013 is about 8756.9979445013. The cubic root of 76685013 is about 424.8511829601.

Adding to 76685013 its sum of digits (36), we get a square (76685049 = 8757²).

The spelling of 76685013 in words is "seventy-six million, six hundred eighty-five thousand, thirteen".