47232538 has 4 divisors (see below), whose sum is σ = 70848810. Its totient is φ = 23616268.

The previous prime is 47232529. The next prime is 47232539. The reversal of 47232538 is 83523274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47100769 + 131769 = 6863^2 + 363^2 .

It is not an unprimeable number, because it can be changed into a prime (47232539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11808133 + ... + 11808136.

Almost surely, 2^47232538 is an apocalyptic number.

47232538 is a deficient number, since it is larger than the sum of its proper divisors (23616272).

47232538 is a wasteful number, since it uses less digits than its factorization.

47232538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23616271.

The product of its digits is 40320, while the sum is 34.

The square root of 47232538 is about 6872.5932514590. The cubic root of 47232538 is about 361.4767987905.

The spelling of 47232538 in words is "forty-seven million, two hundred thirty-two thousand, five hundred thirty-eight".