47572217 has 16 divisors (see below), whose sum is σ = 60435072. Its totient is φ = 36366720.

The previous prime is 47572207. The next prime is 47572243. The reversal of 47572217 is 71227574.

It is a cyclic number.

It is not a de Polignac number, because 47572217 - 2⁸ = 47571961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47572207) 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, 1748 + ... + 9909.

It is an arithmetic number, because the mean of its divisors is an integer number (3777192).

Almost surely, 2^47572217 is an apocalyptic number.

It is an amenable number.

47572217 is a deficient number, since it is larger than the sum of its proper divisors (12862855).

47572217 is a wasteful number, since it uses less digits than its factorization.

47572217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11728.

The product of its digits is 27440, while the sum is 35.

The square root of 47572217 is about 6897.2615580388. The cubic root of 47572217 is about 362.3412657382.

The spelling of 47572217 in words is "forty-seven million, five hundred seventy-two thousand, two hundred seventeen".