47730825 has 36 divisors (see below), whose sum is σ = 85893808. Its totient is φ = 25336800.

The previous prime is 47730821. The next prime is 47730827. The reversal of 47730825 is 52803774.

It is not a de Polignac number, because 47730825 - 2² = 47730821 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47730825.

It is not an unprimeable number, because it can be changed into a prime (47730821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 68730 + ... + 69420.

Almost surely, 2^47730825 is an apocalyptic number.

47730825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47730825 is a deficient number, since it is larger than the sum of its proper divisors (38162983).

47730825 is a wasteful number, since it uses less digits than its factorization.

47730825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 47730825 is about 6908.7498869188. The cubic root of 47730825 is about 362.7435066235.

The spelling of 47730825 in words is "forty-seven million, seven hundred thirty thousand, eight hundred twenty-five".