47274557 has 8 divisors (see below), whose sum is σ = 51622272. Its totient is φ = 42935200.

The previous prime is 47274541. The next prime is 47274583. The reversal of 47274557 is 75547274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47274557 - 2⁴ = 47274541 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 (47274257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19433 + ... + 21729.

It is an arithmetic number, because the mean of its divisors is an integer number (6452784).

Almost surely, 2^47274557 is an apocalyptic number.

It is an amenable number.

47274557 is a deficient number, since it is larger than the sum of its proper divisors (4347715).

47274557 is a wasteful number, since it uses less digits than its factorization.

47274557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179.

The product of its digits is 274400, while the sum is 41.

The square root of 47274557 is about 6875.6495693134. The cubic root of 47274557 is about 361.5839593227.

The spelling of 47274557 in words is "forty-seven million, two hundred seventy-four thousand, five hundred fifty-seven".