74452743 has 16 divisors (see below), whose sum is σ = 111632640. Its totient is φ = 49035672.

The previous prime is 74452739. The next prime is 74452753. The reversal of 74452743 is 34725447.

It is not a de Polignac number, because 74452743 - 2² = 74452739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74452698 and 74452707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74452733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14371 + ... + 18852.

It is an arithmetic number, because the mean of its divisors is an integer number (6977040).

Almost surely, 2^74452743 is an apocalyptic number.

74452743 is a deficient number, since it is larger than the sum of its proper divisors (37179897).

74452743 is a wasteful number, since it uses less digits than its factorization.

74452743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33315 (or 33309 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 74452743 is about 8628.6002920520. The cubic root of 74452743 is about 420.6881067190.

The spelling of 74452743 in words is "seventy-four million, four hundred fifty-two thousand, seven hundred forty-three".