74735740 has 96 divisors (see below), whose sum is σ = 182891520. Its totient is φ = 25445376.

The previous prime is 74735737. The next prime is 74735747. The reversal of 74735740 is 4753747.

It is a self number, because there is not a number n which added to its sum of digits gives 74735740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74735747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148329 + ... + 148831.

It is an arithmetic number, because the mean of its divisors is an integer number (1905120).

Almost surely, 2^74735740 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 74735740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91445760).

74735740 is an abundant number, since it is smaller than the sum of its proper divisors (108155780).

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

74735740 is a wasteful number, since it uses less digits than its factorization.

74735740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 74735740 is about 8644.9835164678. The cubic root of 74735740 is about 421.2204486368.

The spelling of 74735740 in words is "seventy-four million, seven hundred thirty-five thousand, seven hundred forty".