74002297 has 4 divisors (see below), whose sum is σ = 74028276. Its totient is φ = 73976320.

The previous prime is 74002289. The next prime is 74002351. The reversal of 74002297 is 79220047.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47623801 + 26378496 = 6901^2 + 5136^2 .

It is a cyclic number.

It is not a de Polignac number, because 74002297 - 2³ = 74002289 is a prime.

It is a super-2 number, since 2×74002297² = 10952679922552418, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74002267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8104 + ... + 14617.

It is an arithmetic number, because the mean of its divisors is an integer number (18507069).

Almost surely, 2^74002297 is an apocalyptic number.

It is an amenable number.

74002297 is a deficient number, since it is larger than the sum of its proper divisors (25979).

74002297 is a wasteful number, since it uses less digits than its factorization.

74002297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25978.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 74002297 is about 8602.4587764197. The cubic root of 74002297 is about 419.8379892903.

The spelling of 74002297 in words is "seventy-four million, two thousand, two hundred ninety-seven".