74322576 has 80 divisors (see below), whose sum is σ = 218349120. Its totient is φ = 24192000.

The previous prime is 74322571. The next prime is 74322581. The reversal of 74322576 is 67522347.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74322571) and next prime (74322581).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 74322576.

It is not an unprimeable number, because it can be changed into a prime (74322571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16576 + ... + 20576.

It is an arithmetic number, because the mean of its divisors is an integer number (2729364).

Almost surely, 2^74322576 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 74322576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109174560).

74322576 is an abundant number, since it is smaller than the sum of its proper divisors (144026544).

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

74322576 is a wasteful number, since it uses less digits than its factorization.

74322576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061 (or 4049 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 74322576 is about 8621.0542278772. The cubic root of 74322576 is about 420.4427983079.

The spelling of 74322576 in words is "seventy-four million, three hundred twenty-two thousand, five hundred seventy-six".