76665023 has 4 divisors (see below), whose sum is σ = 76736640. Its totient is φ = 76593408.

The previous prime is 76665011. The next prime is 76665031. The reversal of 76665023 is 32056667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32056667 = 19 ⋅1687193.

It is a cyclic number.

It is not a de Polignac number, because 76665023 - 2²² = 72470719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76665623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34178 + ... + 36351.

It is an arithmetic number, because the mean of its divisors is an integer number (19184160).

Almost surely, 2^76665023 is an apocalyptic number.

76665023 is a deficient number, since it is larger than the sum of its proper divisors (71617).

76665023 is a wasteful number, since it uses less digits than its factorization.

76665023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71616.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 76665023 is about 8755.8564972252. The cubic root of 76665023 is about 424.8142634766.

The spelling of 76665023 in words is "seventy-six million, six hundred sixty-five thousand, twenty-three".