47237904 has 200 divisors, whose sum is σ = 161323008. Its totient is φ = 13063680.

The previous prime is 47237887. The next prime is 47237909. The reversal of 47237904 is 40973274.

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

It is not an unprimeable number, because it can be changed into a prime (47237909) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 371889 + ... + 372015.

Almost surely, 2^47237904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47237904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80661504).

47237904 is an abundant number, since it is smaller than the sum of its proper divisors (114085104).

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

47237904 is a wasteful number, since it uses less digits than its factorization.

47237904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 47237904 is about 6872.9836315824. The cubic root of 47237904 is about 361.4904871724.

The spelling of 47237904 in words is "forty-seven million, two hundred thirty-seven thousand, nine hundred four".