94740257 has 2 divisors, whose sum is σ = 94740258. Its totient is φ = 94740256.

The previous prime is 94740181. The next prime is 94740271. The reversal of 94740257 is 75204749.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71081761 + 23658496 = 8431^2 + 4864^2 .

It is an emirp because it is prime and its reverse (75204749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94740257 - 2²⁰ = 93691681 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 94740257.

It is not a weakly prime, because it can be changed into another prime (94740157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47370128 + 47370129.

It is an arithmetic number, because the mean of its divisors is an integer number (47370129).

Almost surely, 2^94740257 is an apocalyptic number.

It is an amenable number.

94740257 is a deficient number, since it is larger than the sum of its proper divisors (1).

94740257 is an equidigital number, since it uses as much as digits as its factorization.

94740257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 94740257 is about 9733.4606898061. The cubic root of 94740257 is about 455.8740306219.

The spelling of 94740257 in words is "ninety-four million, seven hundred forty thousand, two hundred fifty-seven".