74748343 has 4 divisors (see below), whose sum is σ = 74927160. Its totient is φ = 74569528.

The previous prime is 74748329. The next prime is 74748353. The reversal of 74748343 is 34384747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34384747 = 23 ⋅1494989.

It is a cyclic number.

It is not a de Polignac number, because 74748343 - 2⁹ = 74747831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74748296 and 74748305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74748313) 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, 88780 + ... + 89617.

It is an arithmetic number, because the mean of its divisors is an integer number (18731790).

Almost surely, 2^74748343 is an apocalyptic number.

74748343 is a deficient number, since it is larger than the sum of its proper divisors (178817).

74748343 is a wasteful number, since it uses less digits than its factorization.

74748343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178816.

The product of its digits is 225792, while the sum is 40.

The square root of 74748343 is about 8645.7124055800. The cubic root of 74748343 is about 421.2441246939.

The spelling of 74748343 in words is "seventy-four million, seven hundred forty-eight thousand, three hundred forty-three".