74994277 has 2 divisors, whose sum is σ = 74994278. Its totient is φ = 74994276.

The previous prime is 74994223. The next prime is 74994299. The reversal of 74994277 is 77249947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59737441 + 15256836 = 7729^2 + 3906^2 .

It is an emirp because it is prime and its reverse (77249947) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74994277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74994277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74992277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37497138 + 37497139.

It is an arithmetic number, because the mean of its divisors is an integer number (37497139).

Almost surely, 2^74994277 is an apocalyptic number.

It is an amenable number.

74994277 is a deficient number, since it is larger than the sum of its proper divisors (1).

74994277 is an equidigital number, since it uses as much as digits as its factorization.

74994277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 49.

The square root of 74994277 is about 8659.9236139818. The cubic root of 74994277 is about 421.7056057888.

The spelling of 74994277 in words is "seventy-four million, nine hundred ninety-four thousand, two hundred seventy-seven".