74732328 has 128 divisors (see below), whose sum is σ = 230169600. Its totient is φ = 22276800.

The previous prime is 74732327. The next prime is 74732347. The reversal of 74732328 is 82323747.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 74732292 and 74732301.

It is not an unprimeable number, because it can be changed into a prime (74732327) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 168475 + ... + 168917.

It is an arithmetic number, because the mean of its divisors is an integer number (1798200).

Almost surely, 2^74732328 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 74732328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115084800).

74732328 is an abundant number, since it is smaller than the sum of its proper divisors (155437272).

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

74732328 is a wasteful number, since it uses less digits than its factorization.

74732328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540 (or 530 counting only the distinct ones).

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

The square root of 74732328 is about 8644.7861743365. The cubic root of 74732328 is about 421.2140383792.

It can be divided in two parts, 7473 and 2328, that added together give a square (9801 = 99²).

The spelling of 74732328 in words is "seventy-four million, seven hundred thirty-two thousand, three hundred twenty-eight".