47919942 has 36 divisors (see below), whose sum is σ = 120780036. Its totient is φ = 13691160.

The previous prime is 47919917. The next prime is 47919961. The reversal of 47919942 is 24991974.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26284 + ... + 28047.

It is an arithmetic number, because the mean of its divisors is an integer number (3355001).

Almost surely, 2^47919942 is an apocalyptic number.

47919942 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47919942 is an abundant number, since it is smaller than the sum of its proper divisors (72860094).

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

47919942 is a wasteful number, since it uses less digits than its factorization.

47919942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54353 (or 54343 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 47919942 is about 6922.4231306675. The cubic root of 47919942 is about 363.2219574643.

The spelling of 47919942 in words is "forty-seven million, nine hundred nineteen thousand, nine hundred forty-two".