47204491 has 4 divisors (see below), whose sum is σ = 47323792. Its totient is φ = 47085192.

The previous prime is 47204477. The next prime is 47204561. The reversal of 47204491 is 19440274.

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 47204491 - 2⁷ = 47204363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47204191) 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, 59055 + ... + 59848.

It is an arithmetic number, because the mean of its divisors is an integer number (11830948).

Almost surely, 2^47204491 is an apocalyptic number.

47204491 is a deficient number, since it is larger than the sum of its proper divisors (119301).

47204491 is a wasteful number, since it uses less digits than its factorization.

47204491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119300.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 47204491 is about 6870.5524523142. The cubic root of 47204491 is about 361.4052355024.

The spelling of 47204491 in words is "forty-seven million, two hundred four thousand, four hundred ninety-one".