74090743 has 4 divisors (see below), whose sum is σ = 78449040. Its totient is φ = 69732448.

The previous prime is 74090689. The next prime is 74090773. The reversal of 74090743 is 34709047.

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 74090743 - 2¹⁷ = 73959671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74090699 and 74090708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74090773) 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, 2179123 + ... + 2179156.

It is an arithmetic number, because the mean of its divisors is an integer number (19612260).

Almost surely, 2^74090743 is an apocalyptic number.

74090743 is a deficient number, since it is larger than the sum of its proper divisors (4358297).

74090743 is a wasteful number, since it uses less digits than its factorization.

74090743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4358296.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 74090743 is about 8607.5979808539. The cubic root of 74090743 is about 420.0051832316.

The spelling of 74090743 in words is "seventy-four million, ninety thousand, seven hundred forty-three".