79066491 has 32 divisors (see below), whose sum is σ = 124540416. Its totient is φ = 43680000.

The previous prime is 79066489. The next prime is 79066567. The reversal of 79066491 is 19466097.

It is not a de Polignac number, because 79066491 - 2¹ = 79066489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79066451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112441 + ... + 113141.

It is an arithmetic number, because the mean of its divisors is an integer number (3891888).

Almost surely, 2^79066491 is an apocalyptic number.

79066491 is a deficient number, since it is larger than the sum of its proper divisors (45473925).

79066491 is a wasteful number, since it uses less digits than its factorization.

79066491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 79066491 is about 8891.9340415907. The cubic root of 79066491 is about 429.2043896503.

The spelling of 79066491 in words is "seventy-nine million, sixty-six thousand, four hundred ninety-one".