47000072 has 64 divisors (see below), whose sum is σ = 107059200. Its totient is φ = 18895680.

The previous prime is 47000059. The next prime is 47000077. The reversal of 47000072 is 27000074.

It is not an unprimeable number, because it can be changed into a prime (47000077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173297 + ... + 173567.

It is an arithmetic number, because the mean of its divisors is an integer number (1672800).

Almost surely, 2^47000072 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 47000072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53529600).

47000072 is an abundant number, since it is smaller than the sum of its proper divisors (60059128).

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

47000072 is a wasteful number, since it uses less digits than its factorization.

47000072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 47000072 is about 6855.6598515387. The cubic root of 47000072 is about 360.8827922943.

The spelling of 47000072 in words is "forty-seven million, seventy-two", and thus it is an aban number and an uban number.