74349744 has 80 divisors (see below), whose sum is σ = 222366720. Its totient is φ = 20966400.

The previous prime is 74349733. The next prime is 74349757. The reversal of 74349744 is 44794347.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 74349696 and 74349705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25144 + ... + 27944.

It is an arithmetic number, because the mean of its divisors is an integer number (2779584).

Almost surely, 2^74349744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74349744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111183360).

74349744 is an abundant number, since it is smaller than the sum of its proper divisors (148016976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74349744 is a wasteful number, since it uses less digits than its factorization.

74349744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2892 counting only the distinct ones).

The product of its digits is 338688, while the sum is 42.

The square root of 74349744 is about 8622.6297612735. The cubic root of 74349744 is about 420.4940218573.

The spelling of 74349744 in words is "seventy-four million, three hundred forty-nine thousand, seven hundred forty-four".