74338434 has 48 divisors (see below), whose sum is σ = 167731200. Its totient is φ = 23768640.

The previous prime is 74338421. The next prime is 74338441. The reversal of 74338434 is 43483347.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70342 + ... + 71390.

It is an arithmetic number, because the mean of its divisors is an integer number (3494400).

Almost surely, 2^74338434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74338434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83865600).

74338434 is an abundant number, since it is smaller than the sum of its proper divisors (93392766).

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

74338434 is a wasteful number, since it uses less digits than its factorization.

74338434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1212 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 74338434 is about 8621.9739039271. The cubic root of 74338434 is about 420.4726990824.

The spelling of 74338434 in words is "seventy-four million, three hundred thirty-eight thousand, four hundred thirty-four".