74940350417 has 2 divisors, whose sum is σ = 74940350418. Its totient is φ = 74940350416.

The previous prime is 74940350281. The next prime is 74940350423. The reversal of 74940350417 is 71405304947.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63427918801 + 11512431616 = 251849^2 + 107296^2 .

It is an emirp because it is prime and its reverse (71405304947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74940350417 - 2³⁰ = 73866608593 is a prime.

It is a super-2 number, since 2×74940350417² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (74940350477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37470175208 + 37470175209.

It is an arithmetic number, because the mean of its divisors is an integer number (37470175209).

Almost surely, 2^74940350417 is an apocalyptic number.

It is an amenable number.

74940350417 is a deficient number, since it is larger than the sum of its proper divisors (1).

74940350417 is an equidigital number, since it uses as much as digits as its factorization.

74940350417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 74940350417 in words is "seventy-four billion, nine hundred forty million, three hundred fifty thousand, four hundred seventeen".