47019047 has 4 divisors (see below), whose sum is σ = 47816040. Its totient is φ = 46222056.

The previous prime is 47019041. The next prime is 47019073. The reversal of 47019047 is 74091074.

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 47019047 - 2¹² = 47014951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47019041) 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, 398408 + ... + 398525.

It is an arithmetic number, because the mean of its divisors is an integer number (11954010).

Almost surely, 2^47019047 is an apocalyptic number.

47019047 is a deficient number, since it is larger than the sum of its proper divisors (796993).

47019047 is an equidigital number, since it uses as much as digits as its factorization.

47019047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796992.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 47019047 is about 6857.0436049365. The cubic root of 47019047 is about 360.9313512955.

The spelling of 47019047 in words is "forty-seven million, nineteen thousand, forty-seven".