74480243 has 4 divisors (see below), whose sum is σ = 75742680. Its totient is φ = 73217808.

The previous prime is 74480201. The next prime is 74480249. The reversal of 74480243 is 34208447.

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 74480243 - 2¹⁶ = 74414707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74480249) 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, 631130 + ... + 631247.

It is an arithmetic number, because the mean of its divisors is an integer number (18935670).

Almost surely, 2^74480243 is an apocalyptic number.

74480243 is a deficient number, since it is larger than the sum of its proper divisors (1262437).

74480243 is a wasteful number, since it uses less digits than its factorization.

74480243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262436.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 74480243 is about 8630.1936826470. The cubic root of 74480243 is about 420.7398957169.

The spelling of 74480243 in words is "seventy-four million, four hundred eighty thousand, two hundred forty-three".