76689975 has 24 divisors (see below), whose sum is σ = 134254800. Its totient is φ = 38494720.

The previous prime is 76689959. The next prime is 76689983. The reversal of 76689975 is 57998667.

It is not a de Polignac number, because 76689975 - 2⁴ = 76689959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28800 + ... + 31349.

It is an arithmetic number, because the mean of its divisors is an integer number (5593950).

Almost surely, 2^76689975 is an apocalyptic number.

76689975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

76689975 is a deficient number, since it is larger than the sum of its proper divisors (57564825).

76689975 is a wasteful number, since it uses less digits than its factorization.

76689975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60179 (or 60174 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The square root of 76689975 is about 8757.2812561890. The cubic root of 76689975 is about 424.8603462721.

The spelling of 76689975 in words is "seventy-six million, six hundred eighty-nine thousand, nine hundred seventy-five".