76389973 has 16 divisors (see below), whose sum is σ = 88228800. Its totient is φ = 65479680.

The previous prime is 76389961. The next prime is 76389977. The reversal of 76389973 is 37998367.

It is not a de Polignac number, because 76389973 - 2²¹ = 74292821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76389973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76389977) 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, 10933 + ... + 16501.

It is an arithmetic number, because the mean of its divisors is an integer number (5514300).

Almost surely, 2^76389973 is an apocalyptic number.

It is an amenable number.

76389973 is a deficient number, since it is larger than the sum of its proper divisors (11838827).

76389973 is a wasteful number, since it uses less digits than its factorization.

76389973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5652.

The product of its digits is 1714608, while the sum is 52.

The square root of 76389973 is about 8740.1357540944. The cubic root of 76389973 is about 424.3056213678.

The spelling of 76389973 in words is "seventy-six million, three hundred eighty-nine thousand, nine hundred seventy-three".