47919910 has 16 divisors (see below), whose sum is σ = 87021216. Its totient is φ = 18997888.

The previous prime is 47919871. The next prime is 47919917. The reversal of 47919910 is 1991974.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47919917) 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, 20074 + ... + 22333.

It is an arithmetic number, because the mean of its divisors is an integer number (5438826).

Almost surely, 2^47919910 is an apocalyptic number.

47919910 is a deficient number, since it is larger than the sum of its proper divisors (39101306).

47919910 is a wasteful number, since it uses less digits than its factorization.

47919910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42527.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 47919910 is about 6922.4208193377. The cubic root of 47919910 is about 363.2218766135.

The spelling of 47919910 in words is "forty-seven million, nine hundred nineteen thousand, nine hundred ten".