66079874 has 32 divisors (see below), whose sum is σ = 119024640. Its totient is φ = 26901072.

The previous prime is 66079859. The next prime is 66079877. The reversal of 66079874 is 47897066.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66079877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51857 + ... + 53115.

It is an arithmetic number, because the mean of its divisors is an integer number (3719520).

Almost surely, 2^66079874 is an apocalyptic number.

66079874 is a deficient number, since it is larger than the sum of its proper divisors (52944766).

66079874 is a wasteful number, since it uses less digits than its factorization.

66079874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 66079874 is about 8128.9528230886. The cubic root of 66079874 is about 404.2869615966.

The spelling of 66079874 in words is "sixty-six million, seventy-nine thousand, eight hundred seventy-four".