47775472 has 30 divisors (see below), whose sum is σ = 94433192. Its totient is φ = 23414976.

The previous prime is 47775437. The next prime is 47775503. The reversal of 47775472 is 27457774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44413 + ... + 45475.

Almost surely, 2^47775472 is an apocalyptic number.

It is an amenable number.

47775472 is a deficient number, since it is larger than the sum of its proper divisors (46657720).

47775472 is a wasteful number, since it uses less digits than its factorization.

47775472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177 (or 1118 counting only the distinct ones).

The product of its digits is 384160, while the sum is 43.

The square root of 47775472 is about 6911.9803240461. The cubic root of 47775472 is about 362.8565737542.

The spelling of 47775472 in words is "forty-seven million, seven hundred seventy-five thousand, four hundred seventy-two".