74472216 has 192 divisors, whose sum is σ = 239627520. Its totient is φ = 18869760.

The previous prime is 74472197. The next prime is 74472247. The reversal of 74472216 is 61227447.

It is a super-2 number, since 2×74472216² = 11092221911901312, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 1220826 + ... + 1220886.

It is an arithmetic number, because the mean of its divisors is an integer number (1248060).

Almost surely, 2^74472216 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 74472216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119813760).

74472216 is an abundant number, since it is smaller than the sum of its proper divisors (165155304).

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

74472216 is a wasteful number, since it uses less digits than its factorization.

74472216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 129 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 74472216 is about 8629.7286168222. The cubic root of 74472216 is about 420.7247802969.

The spelling of 74472216 in words is "seventy-four million, four hundred seventy-two thousand, two hundred sixteen".