74633216 has 104 divisors (see below), whose sum is σ = 180857280. Its totient is φ = 30081024.

The previous prime is 74633191. The next prime is 74633231. The reversal of 74633216 is 61233647.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544700 + ... + 544836.

Almost surely, 2^74633216 is an apocalyptic number.

74633216 is a gapful number since it is divisible by the number (76) 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 74633216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90428640).

74633216 is an abundant number, since it is smaller than the sum of its proper divisors (106224064).

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

74633216 is a wasteful number, since it uses less digits than its factorization.

74633216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 165 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 74633216 is about 8639.0517998216. The cubic root of 74633216 is about 421.0277475820.

The spelling of 74633216 in words is "seventy-four million, six hundred thirty-three thousand, two hundred sixteen".