74544300 has 90 divisors (see below), whose sum is σ = 241669428. Its totient is φ = 19876320.

The previous prime is 74544299. The next prime is 74544329. The reversal of 74544300 is 344547.

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3499 + ... + 12701.

Almost surely, 2^74544300 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 74544300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120834714).

74544300 is an abundant number, since it is smaller than the sum of its proper divisors (167125128).

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

74544300 is a wasteful number, since it uses less digits than its factorization.

74544300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9229 (or 9213 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 74544300 is about 8633.9040995369. The cubic root of 74544300 is about 420.8604807722.

Adding to 74544300 its reverse (344547), we get a palindrome (74888847).

The spelling of 74544300 in words is "seventy-four million, five hundred forty-four thousand, three hundred".