47725730 has 16 divisors (see below), whose sum is σ = 92514744. Its totient is φ = 17621760.

The previous prime is 47725697. The next prime is 47725751. The reversal of 47725730 is 3752774.

It can be written as a sum of positive squares in 4 ways, for example, as 22915369 + 24810361 = 4787^2 + 4981^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183431 + ... + 183690.

Almost surely, 2^47725730 is an apocalyptic number.

47725730 is a deficient number, since it is larger than the sum of its proper divisors (44789014).

47725730 is a wasteful number, since it uses less digits than its factorization.

47725730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367141.

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 47725730 is about 6908.3811417727. The cubic root of 47725730 is about 362.7305992139.

The spelling of 47725730 in words is "forty-seven million, seven hundred twenty-five thousand, seven hundred thirty".