74967617 has 2 divisors, whose sum is σ = 74967618. Its totient is φ = 74967616.

The previous prime is 74967593. The next prime is 74967677. The reversal of 74967617 is 71676947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50751376 + 24216241 = 7124^2 + 4921^2 .

It is a cyclic number.

It is not a de Polignac number, because 74967617 - 2¹⁶ = 74902081 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74967677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37483808 + 37483809.

It is an arithmetic number, because the mean of its divisors is an integer number (37483809).

Almost surely, 2^74967617 is an apocalyptic number.

It is an amenable number.

74967617 is a deficient number, since it is larger than the sum of its proper divisors (1).

74967617 is an equidigital number, since it uses as much as digits as its factorization.

74967617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 47.

The square root of 74967617 is about 8658.3842026096. The cubic root of 74967617 is about 421.6556286244.

The spelling of 74967617 in words is "seventy-four million, nine hundred sixty-seven thousand, six hundred seventeen".