74424743 has 2 divisors, whose sum is σ = 74424744. Its totient is φ = 74424742.

The previous prime is 74424709. The next prime is 74424761. The reversal of 74424743 is 34742447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74424743 - 2²⁰ = 73376167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74424043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37212371 + 37212372.

It is an arithmetic number, because the mean of its divisors is an integer number (37212372).

Almost surely, 2^74424743 is an apocalyptic number.

74424743 is a deficient number, since it is larger than the sum of its proper divisors (1).

74424743 is an equidigital number, since it uses as much as digits as its factorization.

74424743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 35.

The square root of 74424743 is about 8626.9776283470. The cubic root of 74424743 is about 420.6353629988.

The spelling of 74424743 in words is "seventy-four million, four hundred twenty-four thousand, seven hundred forty-three".