74570846197 has 2 divisors, whose sum is σ = 74570846198. Its totient is φ = 74570846196.

The previous prime is 74570846191. The next prime is 74570846219. The reversal of 74570846197 is 79164807547.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73761671281 + 809174916 = 271591^2 + 28446^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74570846197 is a prime.

It is a super-2 number, since 2×74570846197² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74570846191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37285423098 + 37285423099.

It is an arithmetic number, because the mean of its divisors is an integer number (37285423099).

Almost surely, 2^74570846197 is an apocalyptic number.

It is an amenable number.

74570846197 is a deficient number, since it is larger than the sum of its proper divisors (1).

74570846197 is an equidigital number, since it uses as much as digits as its factorization.

74570846197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 74570846197 in words is "seventy-four billion, five hundred seventy million, eight hundred forty-six thousand, one hundred ninety-seven".