74867328 has 192 divisors, whose sum is σ = 233906400. Its totient is φ = 23804928.

The previous prime is 74867321. The next prime is 74867347. The reversal of 74867328 is 82376847.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-4 number, since 4×74867328⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74867321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901975 + ... + 902057.

Almost surely, 2^74867328 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 74867328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116953200).

74867328 is an abundant number, since it is smaller than the sum of its proper divisors (159039072).

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

74867328 is an equidigital number, since it uses as much as digits as its factorization.

74867328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 117 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 74867328 is about 8652.5908258741. The cubic root of 74867328 is about 421.4675194383.

The spelling of 74867328 in words is "seventy-four million, eight hundred sixty-seven thousand, three hundred twenty-eight".