47612291 has 8 divisors (see below), whose sum is σ = 50736960. Its totient is φ = 44523648.

The previous prime is 47612281. The next prime is 47612317. The reversal of 47612291 is 19221674.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47612291 - 2¹⁴ = 47595907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47612251) 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 7 ways as a sum of consecutive naturals, for example, 6251 + ... + 11588.

It is an arithmetic number, because the mean of its divisors is an integer number (6342120).

Almost surely, 2^47612291 is an apocalyptic number.

47612291 is a deficient number, since it is larger than the sum of its proper divisors (3124669).

47612291 is a wasteful number, since it uses less digits than its factorization.

47612291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18013.

The product of its digits is 6048, while the sum is 32.

The square root of 47612291 is about 6900.1660124956. The cubic root of 47612291 is about 362.4429804886.

The spelling of 47612291 in words is "forty-seven million, six hundred twelve thousand, two hundred ninety-one".