74522000 has 80 divisors (see below), whose sum is σ = 205974912. Its totient is φ = 25545600.

The previous prime is 74521991. The next prime is 74522011. The reversal of 74522000 is 22547.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11339 + ... + 16661.

Almost surely, 2^74522000 is an apocalyptic number.

74522000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74522000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102987456).

74522000 is an abundant number, since it is smaller than the sum of its proper divisors (131452912).

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

74522000 is a wasteful number, since it uses less digits than its factorization.

74522000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353 (or 5337 counting only the distinct ones).

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

The square root of 74522000 is about 8632.6125825268. The cubic root of 74522000 is about 420.8185096457.

Adding to 74522000 its reverse (22547), we get a palindrome (74544547).

The spelling of 74522000 in words is "seventy-four million, five hundred twenty-two thousand".