47792291 has 4 divisors (see below), whose sum is σ = 48265584. Its totient is φ = 47319000.

The previous prime is 47792281. The next prime is 47792293. The reversal of 47792291 is 19229774.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19229774 = 2 ⋅9614887.

It is a cyclic number.

It is not a de Polignac number, because 47792291 - 2²² = 43597987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47792293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236495 + ... + 236696.

It is an arithmetic number, because the mean of its divisors is an integer number (12066396).

Almost surely, 2^47792291 is an apocalyptic number.

47792291 is a deficient number, since it is larger than the sum of its proper divisors (473293).

47792291 is a wasteful number, since it uses less digits than its factorization.

47792291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473292.

The product of its digits is 63504, while the sum is 41.

The square root of 47792291 is about 6913.1968726487. The cubic root of 47792291 is about 362.8991490788.

The spelling of 47792291 in words is "forty-seven million, seven hundred ninety-two thousand, two hundred ninety-one".