76384491 has 16 divisors (see below), whose sum is σ = 103484160. Its totient is φ = 50110560.

The previous prime is 76384481. The next prime is 76384507. The reversal of 76384491 is 19448367.

It is not a de Polignac number, because 76384491 - 2¹⁰ = 76383467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76384421) 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, 54621 + ... + 56001.

It is an arithmetic number, because the mean of its divisors is an integer number (6467760).

Almost surely, 2^76384491 is an apocalyptic number.

76384491 is a deficient number, since it is larger than the sum of its proper divisors (27099669).

76384491 is a wasteful number, since it uses less digits than its factorization.

76384491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its digits is 145152, while the sum is 42.

The square root of 76384491 is about 8739.8221377783. The cubic root of 76384491 is about 424.2954712614.

The spelling of 76384491 in words is "seventy-six million, three hundred eighty-four thousand, four hundred ninety-one".