76931007 has 4 divisors (see below), whose sum is σ = 102574680. Its totient is φ = 51287336.

The previous prime is 76930979. The next prime is 76931011. The reversal of 76931007 is 70013967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70013967 = 3 ⋅23337989.

It is a cyclic number.

It is not a de Polignac number, because 76931007 - 2⁸ = 76930751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76931087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12821832 + ... + 12821837.

It is an arithmetic number, because the mean of its divisors is an integer number (25643670).

Almost surely, 2^76931007 is an apocalyptic number.

76931007 is a deficient number, since it is larger than the sum of its proper divisors (25643673).

76931007 is a wasteful number, since it uses less digits than its factorization.

76931007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25643672.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 76931007 is about 8771.0322653608. The cubic root of 76931007 is about 425.3049843173.

The spelling of 76931007 in words is "seventy-six million, nine hundred thirty-one thousand, seven".