47057420 has 24 divisors (see below), whose sum is σ = 98960400. Its totient is φ = 18796352.

The previous prime is 47057407. The next prime is 47057441. The reversal of 47057420 is 2475074.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19226 + ... + 21534.

It is an arithmetic number, because the mean of its divisors is an integer number (4123350).

Almost surely, 2^47057420 is an apocalyptic number.

It is an amenable number.

47057420 is an abundant number, since it is smaller than the sum of its proper divisors (51902980).

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

47057420 is a wasteful number, since it uses less digits than its factorization.

47057420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 47057420 is about 6859.8411060315. The cubic root of 47057420 is about 361.0295118892.

The spelling of 47057420 in words is "forty-seven million, fifty-seven thousand, four hundred twenty".