74534743 has 8 divisors (see below), whose sum is σ = 77875200. Its totient is φ = 71202648.

The previous prime is 74534731. The next prime is 74534773. The reversal of 74534743 is 34743547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74534743 - 2⁵ = 74534711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74534773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22338 + ... + 25456.

It is an arithmetic number, because the mean of its divisors is an integer number (9734400).

Almost surely, 2^74534743 is an apocalyptic number.

74534743 is a deficient number, since it is larger than the sum of its proper divisors (3340457).

74534743 is a wasteful number, since it uses less digits than its factorization.

74534743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181.

The product of its digits is 141120, while the sum is 37.

The square root of 74534743 is about 8633.3506241783. The cubic root of 74534743 is about 420.8424944405.

The spelling of 74534743 in words is "seventy-four million, five hundred thirty-four thousand, seven hundred forty-three".