74454552 has 80 divisors (see below), whose sum is σ = 211048200. Its totient is φ = 24520320.

The previous prime is 74454551. The next prime is 74454557. The reversal of 74454552 is 25545447.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74454551) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57027 + ... + 58317.

Almost surely, 2^74454552 is an apocalyptic number.

74454552 is a gapful number since it is divisible by the number (72) 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 74454552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105524100).

74454552 is an abundant number, since it is smaller than the sum of its proper divisors (136593648).

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

74454552 is a wasteful number, since it uses less digits than its factorization.

74454552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398 (or 1385 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 74454552 is about 8628.7051172236. The cubic root of 74454552 is about 420.6915138853.

Adding to 74454552 its reverse (25545447), we get a palindrome (99999999).

The spelling of 74454552 in words is "seventy-four million, four hundred fifty-four thousand, five hundred fifty-two".