47000872 has 8 divisors (see below), whose sum is σ = 88126650. Its totient is φ = 23500432.

The previous prime is 47000843. The next prime is 47000873. The reversal of 47000872 is 27800074.

It can be written as a sum of positive squares in only one way, i.e., 25341156 + 21659716 = 5034^2 + 4654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 47000872.

It is not an unprimeable number, because it can be changed into a prime (47000873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2937547 + ... + 2937562.

Almost surely, 2^47000872 is an apocalyptic number.

It is an amenable number.

47000872 is a deficient number, since it is larger than the sum of its proper divisors (41125778).

47000872 is a wasteful number, since it uses less digits than its factorization.

47000872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875115 (or 5875111 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 47000872 is about 6855.7181972424. The cubic root of 47000872 is about 360.8848398414.

The spelling of 47000872 in words is "forty-seven million, eight hundred seventy-two", and thus it is an aban number.