474779491 has 8 divisors (see below), whose sum is σ = 477537984. Its totient is φ = 472029480.

The previous prime is 474779479. The next prime is 474779509. The reversal of 474779491 is 194977474.

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

It is a cyclic number.

It is not a de Polignac number, because 474779491 - 2⁹ = 474778979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474779441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134256 + ... + 137746.

It is an arithmetic number, because the mean of its divisors is an integer number (59692248).

Almost surely, 2^474779491 is an apocalyptic number.

474779491 is a deficient number, since it is larger than the sum of its proper divisors (2758493).

474779491 is a wasteful number, since it uses less digits than its factorization.

474779491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241.

The product of its digits is 1778112, while the sum is 52.

The square root of 474779491 is about 21789.4353070473. The cubic root of 474779491 is about 780.1246190325.

The spelling of 474779491 in words is "four hundred seventy-four million, seven hundred seventy-nine thousand, four hundred ninety-one".