47728925 has 24 divisors (see below), whose sum is σ = 62689440. Its totient is φ = 35985600.

The previous prime is 47728921. The next prime is 47728943. The reversal of 47728925 is 52982774.

It is not a de Polignac number, because 47728925 - 2² = 47728921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47728921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30410 + ... + 31940.

It is an arithmetic number, because the mean of its divisors is an integer number (2612060).

Almost surely, 2^47728925 is an apocalyptic number.

It is an amenable number.

47728925 is a deficient number, since it is larger than the sum of its proper divisors (14960515).

47728925 is a wasteful number, since it uses less digits than its factorization.

47728925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1608 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 47728925 is about 6908.6123787632. The cubic root of 47728925 is about 362.7386933691.

The spelling of 47728925 in words is "forty-seven million, seven hundred twenty-eight thousand, nine hundred twenty-five".