74022500 has 60 divisors (see below), whose sum is σ = 167618220. Its totient is φ = 28560000.

The previous prime is 74022419. The next prime is 74022527. The reversal of 74022500 is 522047.

It can be written as a sum of positive squares in 10 ways, for example, as 53465344 + 20557156 = 7312^2 + 4534^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71990 + ... + 73010.

It is an arithmetic number, because the mean of its divisors is an integer number (2793637).

Almost surely, 2^74022500 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 74022500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83809110).

74022500 is an abundant number, since it is smaller than the sum of its proper divisors (93595720).

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

74022500 is a wasteful number, since it uses less digits than its factorization.

74022500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 74022500 is about 8603.6329535842. The cubic root of 74022500 is about 419.8761917763.

Adding to 74022500 its reverse (522047), we get a palindrome (74544547).

The spelling of 74022500 in words is "seventy-four million, twenty-two thousand, five hundred".