47775628 has 6 divisors (see below), whose sum is σ = 83607356. Its totient is φ = 23887812.

The previous prime is 47775613. The next prime is 47775659. The reversal of 47775628 is 82657774.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5971950 + ... + 5971957.

Almost surely, 2^47775628 is an apocalyptic number.

It is an amenable number.

47775628 is a deficient number, since it is larger than the sum of its proper divisors (35831728).

47775628 is a wasteful number, since it uses less digits than its factorization.

47775628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11943911 (or 11943909 counting only the distinct ones).

The product of its digits is 658560, while the sum is 46.

The square root of 47775628 is about 6911.9916087912. The cubic root of 47775628 is about 362.8569686958.

The spelling of 47775628 in words is "forty-seven million, seven hundred seventy-five thousand, six hundred twenty-eight".