74393340 has 48 divisors (see below), whose sum is σ = 238060032. Its totient is φ = 17004096.

The previous prime is 74393269. The next prime is 74393357. The reversal of 74393340 is 4339347.

It is a congruent number.

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, 88144 + ... + 88983.

It is an arithmetic number, because the mean of its divisors is an integer number (4959584).

Almost surely, 2^74393340 is an apocalyptic number.

74393340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

74393340 is an abundant number, since it is smaller than the sum of its proper divisors (163666692).

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

74393340 is a wasteful number, since it uses less digits than its factorization.

74393340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177146 (or 177144 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 74393340 is about 8625.1573898683. The cubic root of 74393340 is about 420.5761932924.

The spelling of 74393340 in words is "seventy-four million, three hundred ninety-three thousand, three hundred forty".