74748443 has 16 divisors (see below), whose sum is σ = 93384960. Its totient is φ = 58125600.

The previous prime is 74748437. The next prime is 74748449. The reversal of 74748443 is 34484747.

It is an interprime number because it is at equal distance from previous prime (74748437) and next prime (74748449).

It is a cyclic number.

It is not a de Polignac number, because 74748443 - 2⁶ = 74748379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74748443.

It is not an unprimeable number, because it can be changed into a prime (74748449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63248 + ... + 64418.

It is an arithmetic number, because the mean of its divisors is an integer number (5836560).

Almost surely, 2^74748443 is an apocalyptic number.

74748443 is a deficient number, since it is larger than the sum of its proper divisors (18636517).

74748443 is a wasteful number, since it uses less digits than its factorization.

74748443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018.

The product of its digits is 301056, while the sum is 41.

The square root of 74748443 is about 8645.7181887915. The cubic root of 74748443 is about 421.2443125437.

The spelling of 74748443 in words is "seventy-four million, seven hundred forty-eight thousand, four hundred forty-three".