74197001 has 2 divisors, whose sum is σ = 74197002. Its totient is φ = 74197000.

The previous prime is 74196989. The next prime is 74197009. The reversal of 74197001 is 10079147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66912400 + 7284601 = 8180^2 + 2699^2 .

It is a cyclic number.

It is not a de Polignac number, because 74197001 - 2²² = 70002697 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74197009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37098500 + 37098501.

It is an arithmetic number, because the mean of its divisors is an integer number (37098501).

Almost surely, 2^74197001 is an apocalyptic number.

It is an amenable number.

74197001 is a deficient number, since it is larger than the sum of its proper divisors (1).

74197001 is an equidigital number, since it uses as much as digits as its factorization.

74197001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 74197001 is about 8613.7681069321. The cubic root of 74197001 is about 420.2058722378.

The spelling of 74197001 in words is "seventy-four million, one hundred ninety-seven thousand, one".