94745891 has 2 divisors, whose sum is σ = 94745892. Its totient is φ = 94745890.

The previous prime is 94745887. The next prime is 94745969. The reversal of 94745891 is 19854749.

It is a weak prime.

It is an emirp because it is prime and its reverse (19854749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94745891 - 2² = 94745887 is a prime.

It is a super-2 number, since 2×94745891² = 17953567722767762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94745851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47372945 + 47372946.

It is an arithmetic number, because the mean of its divisors is an integer number (47372946).

Almost surely, 2^94745891 is an apocalyptic number.

94745891 is a deficient number, since it is larger than the sum of its proper divisors (1).

94745891 is an equidigital number, since it uses as much as digits as its factorization.

94745891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 94745891 is about 9733.7500995248. The cubic root of 94745891 is about 455.8830670599.

The spelling of 94745891 in words is "ninety-four million, seven hundred forty-five thousand, eight hundred ninety-one".