47528725 has 12 divisors (see below), whose sum is σ = 59370084. Its totient is φ = 37742720.

The previous prime is 47528713. The next prime is 47528771. The reversal of 47528725 is 52782574.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5654884 + 41873841 = 2378^2 + 6471^2 .

It is not a de Polignac number, because 47528725 - 2⁷ = 47528597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3514 + ... + 10363.

It is an arithmetic number, because the mean of its divisors is an integer number (4947507).

Almost surely, 2^47528725 is an apocalyptic number.

It is an amenable number.

47528725 is a deficient number, since it is larger than the sum of its proper divisors (11841359).

47528725 is a wasteful number, since it uses less digits than its factorization.

47528725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14024 (or 14019 counting only the distinct ones).

The product of its digits is 156800, while the sum is 40.

The square root of 47528725 is about 6894.1079916114. The cubic root of 47528725 is about 362.2308108537.

The spelling of 47528725 in words is "forty-seven million, five hundred twenty-eight thousand, seven hundred twenty-five".