4172724857 has 32 divisors (see below), whose sum is σ = 4951425024. Its totient is φ = 3442435200.

The previous prime is 4172724841. The next prime is 4172724877. The reversal of 4172724857 is 7584272714.

It is a cyclic number.

It is not a de Polignac number, because 4172724857 - 2⁴ = 4172724841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4172724877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8934938 + ... + 8935404.

It is an arithmetic number, because the mean of its divisors is an integer number (154732032).

Almost surely, 2^4172724857 is an apocalyptic number.

It is an amenable number.

4172724857 is a deficient number, since it is larger than the sum of its proper divisors (778700167).

4172724857 is a wasteful number, since it uses less digits than its factorization.

4172724857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869.

The product of its digits is 878080, while the sum is 47.

The square root of 4172724857 is about 64596.6319323229. The cubic root of 4172724857 is about 1609.9284791345.

The spelling of 4172724857 in words is "four billion, one hundred seventy-two million, seven hundred twenty-four thousand, eight hundred fifty-seven".