74107470161 has 2 divisors, whose sum is σ = 74107470162. Its totient is φ = 74107470160.

The previous prime is 74107470121. The next prime is 74107470179. The reversal of 74107470161 is 16107470147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40655060161 + 33452410000 = 201631^2 + 182900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74107470161 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (74107470121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37053735080 + 37053735081.

It is an arithmetic number, because the mean of its divisors is an integer number (37053735081).

Almost surely, 2^74107470161 is an apocalyptic number.

It is an amenable number.

74107470161 is a deficient number, since it is larger than the sum of its proper divisors (1).

74107470161 is an equidigital number, since it uses as much as digits as its factorization.

74107470161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 38.

The spelling of 74107470161 in words is "seventy-four billion, one hundred seven million, four hundred seventy thousand, one hundred sixty-one".