470720990 has 64 divisors (see below), whose sum is σ = 944317440. Its totient is φ = 168030720.

The previous prime is 470720989. The next prime is 470721001. The reversal of 470720990 is 99027074.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511751 + ... + 512669.

It is an arithmetic number, because the mean of its divisors is an integer number (14754960).

Almost surely, 2^470720990 is an apocalyptic number.

470720990 is an abundant number, since it is smaller than the sum of its proper divisors (473596450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

470720990 is a wasteful number, since it uses less digits than its factorization.

470720990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 470720990 is about 21696.1054108796. The cubic root of 470720990 is about 777.8953727788.

The spelling of 470720990 in words is "four hundred seventy million, seven hundred twenty thousand, nine hundred ninety".