74224602 has 48 divisors (see below), whose sum is σ = 174769920. Its totient is φ = 22680000.

The previous prime is 74224589. The next prime is 74224603. The reversal of 74224602 is 20642247.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (74224603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7102 + ... + 14102.

It is an arithmetic number, because the mean of its divisors is an integer number (3641040).

Almost surely, 2^74224602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74224602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87384960).

74224602 is an abundant number, since it is smaller than the sum of its proper divisors (100545318).

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

74224602 is a wasteful number, since it uses less digits than its factorization.

74224602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7059 (or 7056 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 74224602 is about 8615.3701023229. The cubic root of 74224602 is about 420.2579707695.

Adding to 74224602 its reverse (20642247), we get a palindrome (94866849).

It can be divided in two parts, 74 and 224602, that added together give a square (224676 = 474²).

The spelling of 74224602 in words is "seventy-four million, two hundred twenty-four thousand, six hundred two".