74017961 has 2 divisors, whose sum is σ = 74017962. Its totient is φ = 74017960.

The previous prime is 74017943. The next prime is 74017967. The reversal of 74017961 is 16971047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73633561 + 384400 = 8581^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 74017961 - 2¹⁸ = 73755817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74017967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37008980 + 37008981.

It is an arithmetic number, because the mean of its divisors is an integer number (37008981).

Almost surely, 2^74017961 is an apocalyptic number.

It is an amenable number.

74017961 is a deficient number, since it is larger than the sum of its proper divisors (1).

74017961 is an equidigital number, since it uses as much as digits as its factorization.

74017961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 74017961 is about 8603.3691656234. The cubic root of 74017961 is about 419.8676094444.

The spelling of 74017961 in words is "seventy-four million, seventeen thousand, nine hundred sixty-one".