47158725 has 12 divisors (see below), whose sum is σ = 77969216. Its totient is φ = 25151280.

The previous prime is 47158721. The next prime is 47158739. The reversal of 47158725 is 52785174.

It is not a de Polignac number, because 47158725 - 2² = 47158721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47158721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314317 + ... + 314466.

Almost surely, 2^47158725 is an apocalyptic number.

It is an amenable number.

47158725 is a deficient number, since it is larger than the sum of its proper divisors (30810491).

47158725 is a wasteful number, since it uses less digits than its factorization.

47158725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628796 (or 628791 counting only the distinct ones).

The product of its digits is 78400, while the sum is 39.

The square root of 47158725 is about 6867.2210536723. The cubic root of 47158725 is about 361.2884004310.

The spelling of 47158725 in words is "forty-seven million, one hundred fifty-eight thousand, seven hundred twenty-five".