47029257 has 36 divisors (see below), whose sum is σ = 76383216. Its totient is φ = 27652320.

The previous prime is 47029247. The next prime is 47029261. The reversal of 47029257 is 75292074.

It is not a de Polignac number, because 47029257 - 2¹¹ = 47027209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47029217) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 135358 + ... + 135704.

It is an arithmetic number, because the mean of its divisors is an integer number (2121756).

Almost surely, 2^47029257 is an apocalyptic number.

It is an amenable number.

47029257 is a deficient number, since it is larger than the sum of its proper divisors (29353959).

47029257 is a wasteful number, since it uses less digits than its factorization.

47029257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 47029257 is about 6857.7880544677. The cubic root of 47029257 is about 360.9574743430.

The spelling of 47029257 in words is "forty-seven million, twenty-nine thousand, two hundred fifty-seven".