74002243 has 4 divisors (see below), whose sum is σ = 84574000. Its totient is φ = 63430488.

The previous prime is 74002213. The next prime is 74002259. The reversal of 74002243 is 34220047.

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

It is a cyclic number.

It is not a de Polignac number, because 74002243 - 2²¹ = 71905091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74002213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5285868 + ... + 5285881.

It is an arithmetic number, because the mean of its divisors is an integer number (21143500).

Almost surely, 2^74002243 is an apocalyptic number.

74002243 is a deficient number, since it is larger than the sum of its proper divisors (10571757).

74002243 is a wasteful number, since it uses less digits than its factorization.

74002243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10571756.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 74002243 is about 8602.4556377816. The cubic root of 74002243 is about 419.8378871707.

The spelling of 74002243 in words is "seventy-four million, two thousand, two hundred forty-three".