470218791 has 32 divisors (see below), whose sum is σ = 739468800. Its totient is φ = 260190720.

The previous prime is 470218787. The next prime is 470218799. The reversal of 470218791 is 197812074.

It is not a de Polignac number, because 470218791 - 2² = 470218787 is a prime.

It is a super-2 number, since 2×470218791² = 442211422819003362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470218799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117715 + ... + 121643.

It is an arithmetic number, because the mean of its divisors is an integer number (23108400).

Almost surely, 2^470218791 is an apocalyptic number.

470218791 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

470218791 is a deficient number, since it is larger than the sum of its proper divisors (269250009).

470218791 is a wasteful number, since it uses less digits than its factorization.

470218791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4119.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 470218791 is about 21684.5288397050. The cubic root of 470218791 is about 777.6186361015.

The spelling of 470218791 in words is "four hundred seventy million, two hundred eighteen thousand, seven hundred ninety-one".