47920490 has 16 divisors (see below), whose sum is σ = 88263648. Its totient is φ = 18722256.

The previous prime is 47920471. The next prime is 47920493. The reversal of 47920490 is 9402974.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47920490.

It is not an unprimeable number, because it can be changed into a prime (47920493) 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, 55292 + ... + 56151.

It is an arithmetic number, because the mean of its divisors is an integer number (5516478).

Almost surely, 2^47920490 is an apocalyptic number.

47920490 is a deficient number, since it is larger than the sum of its proper divisors (40343158).

47920490 is a wasteful number, since it uses less digits than its factorization.

47920490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111493.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 47920490 is about 6922.4627120700. The cubic root of 47920490 is about 363.2233420297.

The spelling of 47920490 in words is "forty-seven million, nine hundred twenty thousand, four hundred ninety".