47245172 has 24 divisors (see below), whose sum is σ = 93727200. Its totient is φ = 20657376.

The previous prime is 47245123. The next prime is 47245201. The reversal of 47245172 is 27154274.

It is a congruent number.

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, 22922 + ... + 24897.

It is an arithmetic number, because the mean of its divisors is an integer number (3905300).

Almost surely, 2^47245172 is an apocalyptic number.

It is an amenable number.

47245172 is a deficient number, since it is larger than the sum of its proper divisors (46482028).

47245172 is a wasteful number, since it uses less digits than its factorization.

47245172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47855 (or 47853 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 47245172 is about 6873.5123481376. The cubic root of 47245172 is about 361.5090258028.

The spelling of 47245172 in words is "forty-seven million, two hundred forty-five thousand, one hundred seventy-two".