76697493 has 16 divisors (see below), whose sum is σ = 103671360. Its totient is φ = 50432256.

The previous prime is 76697461. The next prime is 76697497. The reversal of 76697493 is 39479667.

It is not a de Polignac number, because 76697493 - 2⁵ = 76697461 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 (76697497) 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, 107823 + ... + 108531.

It is an arithmetic number, because the mean of its divisors is an integer number (6479460).

Almost surely, 2^76697493 is an apocalyptic number.

It is an amenable number.

76697493 is a deficient number, since it is larger than the sum of its proper divisors (26973867).

76697493 is a wasteful number, since it uses less digits than its factorization.

76697493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156.

The product of its digits is 1714608, while the sum is 51.

The square root of 76697493 is about 8757.7104884781. The cubic root of 76697493 is about 424.8742289893.

The spelling of 76697493 in words is "seventy-six million, six hundred ninety-seven thousand, four hundred ninety-three".