47094991 has 2 divisors, whose sum is σ = 47094992. Its totient is φ = 47094990.

The previous prime is 47094979. The next prime is 47094997. The reversal of 47094991 is 19949074.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47094991 - 2⁵ = 47094959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47094997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23547495 + 23547496.

It is an arithmetic number, because the mean of its divisors is an integer number (23547496).

Almost surely, 2^47094991 is an apocalyptic number.

47094991 is a deficient number, since it is larger than the sum of its proper divisors (1).

47094991 is an equidigital number, since it uses as much as digits as its factorization.

47094991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 47094991 is about 6862.5790341533. The cubic root of 47094991 is about 361.1255692269.

The spelling of 47094991 in words is "forty-seven million, ninety-four thousand, nine hundred ninety-one".