76069917 has 72 divisors (see below), whose sum is σ = 146397888. Its totient is φ = 37128960.

The previous prime is 76069913. The next prime is 76069927. The reversal of 76069917 is 71996067.

It is not a de Polignac number, because 76069917 - 2² = 76069913 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76069913) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 129298 + ... + 129884.

It is an arithmetic number, because the mean of its divisors is an integer number (2033304).

Almost surely, 2^76069917 is an apocalyptic number.

76069917 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

76069917 is a deficient number, since it is larger than the sum of its proper divisors (70327971).

76069917 is a wasteful number, since it uses less digits than its factorization.

76069917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 76069917 is about 8721.8069802077. The cubic root of 76069917 is about 423.7122116302.

The spelling of 76069917 in words is "seventy-six million, sixty-nine thousand, nine hundred seventeen".