47631725 has 6 divisors (see below), whose sum is σ = 59063370. Its totient is φ = 38105360.

The previous prime is 47631719. The next prime is 47631733. The reversal of 47631725 is 52713674.

It can be written as a sum of positive squares in 3 ways, for example, as 256036 + 47375689 = 506^2 + 6883^2 .

It is a de Polignac number, because none of the positive numbers 2^k-47631725 is a prime.

It is a Curzon number.

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, 952610 + ... + 952659.

It is an arithmetic number, because the mean of its divisors is an integer number (9843895).

Almost surely, 2^47631725 is an apocalyptic number.

It is an amenable number.

47631725 is a deficient number, since it is larger than the sum of its proper divisors (11431645).

47631725 is a wasteful number, since it uses less digits than its factorization.

47631725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905279 (or 1905274 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 47631725 is about 6901.5740958132. The cubic root of 47631725 is about 362.4922867958.

The spelling of 47631725 in words is "forty-seven million, six hundred thirty-one thousand, seven hundred twenty-five".