74355740 has 48 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 28049472.

The previous prime is 74355737. The next prime is 74355769. The reversal of 74355740 is 4755347.

It is a self number, because there is not a number n which added to its sum of digits gives 74355740.

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, 158987 + ... + 159453.

It is an arithmetic number, because the mean of its divisors is an integer number (3439800).

Almost surely, 2^74355740 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 74355740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82555200).

74355740 is an abundant number, since it is smaller than the sum of its proper divisors (90754660).

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

74355740 is a wasteful number, since it uses less digits than its factorization.

74355740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 35.

The square root of 74355740 is about 8622.9774440155. The cubic root of 74355740 is about 420.5053252559.

The spelling of 74355740 in words is "seventy-four million, three hundred fifty-five thousand, seven hundred forty".