47924657 has 8 divisors (see below), whose sum is σ = 53694912. Its totient is φ = 42390000.

The previous prime is 47924651. The next prime is 47924659. The reversal of 47924657 is 75642974.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47924657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47924651) 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, 58469 + ... + 59282.

It is an arithmetic number, because the mean of its divisors is an integer number (6711864).

Almost surely, 2^47924657 is an apocalyptic number.

It is an amenable number.

47924657 is a deficient number, since it is larger than the sum of its proper divisors (5770255).

47924657 is a wasteful number, since it uses less digits than its factorization.

47924657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117799.

The product of its digits is 423360, while the sum is 44.

The square root of 47924657 is about 6922.7636822298. The cubic root of 47924657 is about 363.2338699395.

It can be divided in two parts, 4792 and 4657, that added together give a palindrome (9449).

The spelling of 47924657 in words is "forty-seven million, nine hundred twenty-four thousand, six hundred fifty-seven".