74642300 has 36 divisors (see below), whose sum is σ = 164270736. Its totient is φ = 29433600.

The previous prime is 74642299. The next prime is 74642339. The reversal of 74642300 is 324647.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 74642300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1844 + ... + 12356.

It is an arithmetic number, because the mean of its divisors is an integer number (4563076).

Almost surely, 2^74642300 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 74642300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82135368).

74642300 is an abundant number, since it is smaller than the sum of its proper divisors (89628436).

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

74642300 is a wasteful number, since it uses less digits than its factorization.

74642300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10598 (or 10591 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 74642300 is about 8639.5775359678. The cubic root of 74642300 is about 421.0448287205.

Adding to 74642300 its reverse (324647), we get a palindrome (74966947).

The spelling of 74642300 in words is "seventy-four million, six hundred forty-two thousand, three hundred".