47257902 has 24 divisors (see below), whose sum is σ = 107781960. Its totient is φ = 14923440.

The previous prime is 47257897. The next prime is 47257933. The reversal of 47257902 is 20975274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68749 + ... + 69432.

It is an arithmetic number, because the mean of its divisors is an integer number (4490915).

Almost surely, 2^47257902 is an apocalyptic number.

47257902 is an abundant number, since it is smaller than the sum of its proper divisors (60524058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47257902 is a wasteful number, since it uses less digits than its factorization.

47257902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138208 (or 138205 counting only the distinct ones).

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

The square root of 47257902 is about 6874.4383043271. The cubic root of 47257902 is about 361.5414918830.

The spelling of 47257902 in words is "forty-seven million, two hundred fifty-seven thousand, nine hundred two".