74993340 has 96 divisors (see below), whose sum is σ = 226308096. Its totient is φ = 18501120.

The previous prime is 74993299. The next prime is 74993351. The reversal of 74993340 is 4339947.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41904 + ... + 43656.

It is an arithmetic number, because the mean of its divisors is an integer number (2357376).

Almost surely, 2^74993340 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 74993340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113154048).

74993340 is an abundant number, since it is smaller than the sum of its proper divisors (151314756).

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

74993340 is a wasteful number, since it uses less digits than its factorization.

74993340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819 (or 1817 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 74993340 is about 8659.8695140285. The cubic root of 74993340 is about 421.7038494779.

The spelling of 74993340 in words is "seventy-four million, nine hundred ninety-three thousand, three hundred forty".