47531793 has 4 divisors (see below), whose sum is σ = 63375728. Its totient is φ = 31687860.

The previous prime is 47531789. The next prime is 47531807. The reversal of 47531793 is 39713574.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47531793 - 2² = 47531789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47531723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7921963 + ... + 7921968.

It is an arithmetic number, because the mean of its divisors is an integer number (15843932).

Almost surely, 2^47531793 is an apocalyptic number.

It is an amenable number.

47531793 is a deficient number, since it is larger than the sum of its proper divisors (15843935).

47531793 is a wasteful number, since it uses less digits than its factorization.

47531793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15843934.

The product of its digits is 79380, while the sum is 39.

The square root of 47531793 is about 6894.3304968648. The cubic root of 47531793 is about 362.2386047384.

The spelling of 47531793 in words is "forty-seven million, five hundred thirty-one thousand, seven hundred ninety-three".