47007657 has 12 divisors (see below), whose sum is σ = 67975024. Its totient is φ = 31303800.

The previous prime is 47007641. The next prime is 47007671. The reversal of 47007657 is 75670074.

It is not a de Polignac number, because 47007657 - 2⁴ = 47007641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47027657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7782 + ... + 12432.

Almost surely, 2^47007657 is an apocalyptic number.

It is an amenable number.

47007657 is a deficient number, since it is larger than the sum of its proper divisors (20967367).

47007657 is a wasteful number, since it uses less digits than its factorization.

47007657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780 (or 5777 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 36.

The square root of 47007657 is about 6856.2130217781. The cubic root of 47007657 is about 360.9022046669.

The spelling of 47007657 in words is "forty-seven million, seven thousand, six hundred fifty-seven".