76388973 has 16 divisors (see below), whose sum is σ = 108501120. Its totient is φ = 47638016.

The previous prime is 76388969. The next prime is 76388993. The reversal of 76388973 is 37988367.

It is a cyclic number.

It is not a de Polignac number, because 76388973 - 2² = 76388969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76388993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4033 + ... + 13001.

It is an arithmetic number, because the mean of its divisors is an integer number (6781320).

Almost surely, 2^76388973 is an apocalyptic number.

It is an amenable number.

76388973 is a deficient number, since it is larger than the sum of its proper divisors (32112147).

76388973 is a wasteful number, since it uses less digits than its factorization.

76388973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9156.

The product of its digits is 1524096, while the sum is 51.

The square root of 76388973 is about 8740.0785465578. The cubic root of 76388973 is about 424.3037698705.

The spelling of 76388973 in words is "seventy-six million, three hundred eighty-eight thousand, nine hundred seventy-three".