47426191 has 4 divisors (see below), whose sum is σ = 47539800. Its totient is φ = 47312584.

The previous prime is 47426179. The next prime is 47426201. The reversal of 47426191 is 19162474.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47426191 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 (47426111) 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, 56176 + ... + 57013.

It is an arithmetic number, because the mean of its divisors is an integer number (11884950).

Almost surely, 2^47426191 is an apocalyptic number.

47426191 is a deficient number, since it is larger than the sum of its proper divisors (113609).

47426191 is a wasteful number, since it uses less digits than its factorization.

47426191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113608.

The product of its digits is 12096, while the sum is 34.

The square root of 47426191 is about 6886.6676266537. The cubic root of 47426191 is about 361.9701424252.

The spelling of 47426191 in words is "forty-seven million, four hundred twenty-six thousand, one hundred ninety-one".