74143338 has 32 divisors (see below), whose sum is σ = 152905920. Its totient is φ = 23950080.

The previous prime is 74143337. The next prime is 74143361. The reversal of 74143338 is 83334147.

It is a junction number, because it is equal to n+sod(n) for n = 74143299 and 74143308.

It is not an unprimeable number, because it can be changed into a prime (74143331) 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, 72978 + ... + 73986.

It is an arithmetic number, because the mean of its divisors is an integer number (4778310).

Almost surely, 2^74143338 is an apocalyptic number.

74143338 is an abundant number, since it is smaller than the sum of its proper divisors (78762582).

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

74143338 is a wasteful number, since it uses less digits than its factorization.

74143338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its digits is 24192, while the sum is 33.

The square root of 74143338 is about 8610.6525885092. The cubic root of 74143338 is about 420.1045431368.

The spelling of 74143338 in words is "seventy-four million, one hundred forty-three thousand, three hundred thirty-eight".