47405725 has 6 divisors (see below), whose sum is σ = 58783130. Its totient is φ = 37924560.

The previous prime is 47405719. The next prime is 47405773. The reversal of 47405725 is 52750474.

It can be written as a sum of positive squares in 3 ways, for example, as 16736281 + 30669444 = 4091^2 + 5538^2 .

It is not a de Polignac number, because 47405725 - 2⁷ = 47405597 is a prime.

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, 948090 + ... + 948139.

Almost surely, 2^47405725 is an apocalyptic number.

It is an amenable number.

47405725 is a deficient number, since it is larger than the sum of its proper divisors (11377405).

47405725 is a wasteful number, since it uses less digits than its factorization.

47405725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896239 (or 1896234 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 47405725 is about 6885.1815517094. The cubic root of 47405725 is about 361.9180674946.

The spelling of 47405725 in words is "forty-seven million, four hundred five thousand, seven hundred twenty-five".