47755725 has 24 divisors (see below), whose sum is σ = 79161600. Its totient is φ = 25403520.

The previous prime is 47755723. The next prime is 47755739. The reversal of 47755725 is 52755774.

It is not a de Polignac number, because 47755725 - 2¹ = 47755723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47755723) 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, 45001 + ... + 46049.

It is an arithmetic number, because the mean of its divisors is an integer number (3298400).

Almost surely, 2^47755725 is an apocalyptic number.

It is an amenable number.

47755725 is a deficient number, since it is larger than the sum of its proper divisors (31405875).

47755725 is a wasteful number, since it uses less digits than its factorization.

47755725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1664 counting only the distinct ones).

The product of its digits is 343000, while the sum is 42.

The square root of 47755725 is about 6910.5517145884. The cubic root of 47755725 is about 362.8065737862.

The spelling of 47755725 in words is "forty-seven million, seven hundred fifty-five thousand, seven hundred twenty-five".