74383272 has 96 divisors (see below), whose sum is σ = 211891680. Its totient is φ = 24442560.

The previous prime is 74383261. The next prime is 74383301. The reversal of 74383272 is 27238347.

74383272 is a `hidden beast` number, since 7 + 4 + 383 + 272 = 666.

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161122 + ... + 161582.

It is an arithmetic number, because the mean of its divisors is an integer number (2207205).

Almost surely, 2^74383272 is an apocalyptic number.

74383272 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 74383272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105945840).

74383272 is an abundant number, since it is smaller than the sum of its proper divisors (137508408).

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

74383272 is a wasteful number, since it uses less digits than its factorization.

74383272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 549 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 74383272 is about 8624.5737285967. The cubic root of 74383272 is about 420.5572195861.

The spelling of 74383272 in words is "seventy-four million, three hundred eighty-three thousand, two hundred seventy-two".