74321300 has 36 divisors (see below), whose sum is σ = 163502556. Its totient is φ = 29318400.

The previous prime is 74321281. The next prime is 74321327. The reversal of 74321300 is 312347.

It can be written as a sum of positive squares in 6 ways, for example, as 258064 + 74063236 = 508^2 + 8606^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2210 + ... + 12390.

Almost surely, 2^74321300 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 74321300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81751278).

74321300 is an abundant number, since it is smaller than the sum of its proper divisors (89181256).

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

74321300 is a wasteful number, since it uses less digits than its factorization.

74321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268 (or 10261 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 74321300 is about 8620.9802226893. The cubic root of 74321300 is about 420.4403921836.

Adding to 74321300 its reverse (312347), we get a palindrome (74633647).

The spelling of 74321300 in words is "seventy-four million, three hundred twenty-one thousand, three hundred".