47259971 has 4 divisors (see below), whose sum is σ = 51556344. Its totient is φ = 42963600.

The previous prime is 47259959. The next prime is 47259977. The reversal of 47259971 is 17995274.

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 47259971 - 2⁶ = 47259907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47259977) 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, 2148170 + ... + 2148191.

It is an arithmetic number, because the mean of its divisors is an integer number (12889086).

Almost surely, 2^47259971 is an apocalyptic number.

47259971 is a deficient number, since it is larger than the sum of its proper divisors (4296373).

47259971 is a wasteful number, since it uses less digits than its factorization.

47259971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296372.

The product of its digits is 158760, while the sum is 44.

The square root of 47259971 is about 6874.5887877021. The cubic root of 47259971 is about 361.5467680266.

The spelling of 47259971 in words is "forty-seven million, two hundred fifty-nine thousand, nine hundred seventy-one".