4247574157 has 4 divisors (see below), whose sum is σ = 4254572416. Its totient is φ = 4240575900.

The previous prime is 4247574073. The next prime is 4247574179. The reversal of 4247574157 is 7514757424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4247574157 - 2⁷ = 4247574029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247574557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3498219 + ... + 3499432.

It is an arithmetic number, because the mean of its divisors is an integer number (1063643104).

Almost surely, 2^4247574157 is an apocalyptic number.

It is an amenable number.

4247574157 is a deficient number, since it is larger than the sum of its proper divisors (6998259).

4247574157 is an equidigital number, since it uses as much as digits as its factorization.

4247574157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6998258.

The product of its digits is 1097600, while the sum is 46.

The square root of 4247574157 is about 65173.4160298507. The cubic root of 4247574157 is about 1619.4976541558.

The spelling of 4247574157 in words is "four billion, two hundred forty-seven million, five hundred seventy-four thousand, one hundred fifty-seven".