66292474 has 8 divisors (see below), whose sum is σ = 99475488. Its totient is φ = 33133980.

The previous prime is 66292441. The next prime is 66292481. The reversal of 66292474 is 47429266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3939 + ... + 12169.

It is an arithmetic number, because the mean of its divisors is an integer number (12434436).

Almost surely, 2^66292474 is an apocalyptic number.

66292474 is a deficient number, since it is larger than the sum of its proper divisors (33183014).

66292474 is a wasteful number, since it uses less digits than its factorization.

66292474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12260.

The product of its digits is 145152, while the sum is 40.

The square root of 66292474 is about 8142.0190370694. The cubic root of 66292474 is about 404.7200707495.

It can be divided in two parts, 66292 and 474, that added together give a palindrome (66766).

The spelling of 66292474 in words is "sixty-six million, two hundred ninety-two thousand, four hundred seventy-four".