74454336 has 112 divisors (see below), whose sum is σ = 238841280. Its totient is φ = 22556160.

The previous prime is 74454329. The next prime is 74454337. The reversal of 74454336 is 63345447.

It is a happy number.

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 74454336.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74454337) 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, 17050 + ... + 20966.

Almost surely, 2^74454336 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 74454336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119420640).

74454336 is an abundant number, since it is smaller than the sum of its proper divisors (164386944).

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

74454336 is a wasteful number, since it uses less digits than its factorization.

74454336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949 (or 3933 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 74454336 is about 8628.6926008521. The cubic root of 74454336 is about 420.6911070624.

Subtracting from 74454336 its reverse (63345447), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 7445 and 4336, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 74454336 in words is "seventy-four million, four hundred fifty-four thousand, three hundred thirty-six".