47369891 has 4 divisors (see below), whose sum is σ = 48897984. Its totient is φ = 45841800.

The previous prime is 47369867. The next prime is 47369893. The reversal of 47369891 is 19896374.

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 47369891 - 2⁶ = 47369827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47369893) 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, 764000 + ... + 764061.

It is an arithmetic number, because the mean of its divisors is an integer number (12224496).

Almost surely, 2^47369891 is an apocalyptic number.

47369891 is a deficient number, since it is larger than the sum of its proper divisors (1528093).

47369891 is a wasteful number, since it uses less digits than its factorization.

47369891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528092.

The product of its digits is 326592, while the sum is 47.

The square root of 47369891 is about 6882.5788044889. The cubic root of 47369891 is about 361.8268531870.

The spelling of 47369891 in words is "forty-seven million, three hundred sixty-nine thousand, eight hundred ninety-one".