47909124 has 24 divisors (see below), whose sum is σ = 124209120. Its totient is φ = 15969672.

The previous prime is 47909119. The next prime is 47909137. The reversal of 47909124 is 42190974.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221694 + ... + 221909.

It is an arithmetic number, because the mean of its divisors is an integer number (5175380).

Almost surely, 2^47909124 is an apocalyptic number.

It is an amenable number.

47909124 is an abundant number, since it is smaller than the sum of its proper divisors (76299996).

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

47909124 is a wasteful number, since it uses less digits than its factorization.

47909124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443616 (or 443608 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 47909124 is about 6921.6417127731. The cubic root of 47909124 is about 363.1946227703.

The spelling of 47909124 in words is "forty-seven million, nine hundred nine thousand, one hundred twenty-four".