47504747 has 4 divisors (see below), whose sum is σ = 47534880. Its totient is φ = 47474616.

The previous prime is 47504713. The next prime is 47504759. The reversal of 47504747 is 74740574.

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

It is a cyclic number.

It is not a de Polignac number, because 47504747 - 2⁸ = 47504491 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47504747.

It is not an unprimeable number, because it can be changed into a prime (47504767) 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, 12563 + ... + 15900.

It is an arithmetic number, because the mean of its divisors is an integer number (11883720).

Almost surely, 2^47504747 is an apocalyptic number.

47504747 is a deficient number, since it is larger than the sum of its proper divisors (30133).

47504747 is a wasteful number, since it uses less digits than its factorization.

47504747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30132.

The product of its (nonzero) digits is 109760, while the sum is 38.

The square root of 47504747 is about 6892.3687510173. The cubic root of 47504747 is about 362.1698860733.

The spelling of 47504747 in words is "forty-seven million, five hundred four thousand, seven hundred forty-seven".