74070817 has 2 divisors, whose sum is σ = 74070818. Its totient is φ = 74070816.

The previous prime is 74070803. The next prime is 74070827. The reversal of 74070817 is 71807047.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67305616 + 6765201 = 8204^2 + 2601^2 .

It is a cyclic number.

It is not a de Polignac number, because 74070817 - 2¹⁵ = 74038049 is a prime.

It is not a weakly prime, because it can be changed into another prime (74070827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37035408 + 37035409.

It is an arithmetic number, because the mean of its divisors is an integer number (37035409).

Almost surely, 2^74070817 is an apocalyptic number.

It is an amenable number.

74070817 is a deficient number, since it is larger than the sum of its proper divisors (1).

74070817 is an equidigital number, since it uses as much as digits as its factorization.

74070817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 74070817 is about 8606.4404372540. The cubic root of 74070817 is about 419.9675277238.

The spelling of 74070817 in words is "seventy-four million, seventy thousand, eight hundred seventeen".