474718981 has 8 divisors (see below), whose sum is σ = 518294304. Its totient is φ = 431213520.

The previous prime is 474718973. The next prime is 474718997. The reversal of 474718981 is 189817474.

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 474718981 - 2³ = 474718973 is a prime.

It is a super-2 number, since 2×474718981² = 450716221843356722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474710981) 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 7 ways as a sum of consecutive naturals, for example, 2706 + ... + 30931.

It is an arithmetic number, because the mean of its divisors is an integer number (64786788).

Almost surely, 2^474718981 is an apocalyptic number.

It is an amenable number.

474718981 is a deficient number, since it is larger than the sum of its proper divisors (43575323).

474718981 is a wasteful number, since it uses less digits than its factorization.

474718981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34931.

The product of its digits is 451584, while the sum is 49.

The square root of 474718981 is about 21788.0467458650. The cubic root of 474718981 is about 780.0914756841.

The spelling of 474718981 in words is "four hundred seventy-four million, seven hundred eighteen thousand, nine hundred eighty-one".