47904494 has 32 divisors (see below), whose sum is σ = 81354240. Its totient is φ = 20966400.

The previous prime is 47904449. The next prime is 47904509. The reversal of 47904494 is 49440974.

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 15 ways as a sum of consecutive naturals, for example, 74414 + ... + 75054.

It is an arithmetic number, because the mean of its divisors is an integer number (2542320).

Almost surely, 2^47904494 is an apocalyptic number.

47904494 is a deficient number, since it is larger than the sum of its proper divisors (33449746).

47904494 is a wasteful number, since it uses less digits than its factorization.

47904494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 47904494 is about 6921.3072464672. The cubic root of 47904494 is about 363.1829225266.

The spelling of 47904494 in words is "forty-seven million, nine hundred four thousand, four hundred ninety-four".