74321082472 has 64 divisors (see below), whose sum is σ = 171706348800. Its totient is φ = 29368120320.

The previous prime is 74321082467. The next prime is 74321082551. The reversal of 74321082472 is 27428012347.

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 15 ways as a sum of consecutive naturals, for example, 583429 + ... + 699307.

It is an arithmetic number, because the mean of its divisors is an integer number (2682911700).

Almost surely, 2^74321082472 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 74321082472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85853174400).

74321082472 is an abundant number, since it is smaller than the sum of its proper divisors (97385266328).

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

74321082472 is a wasteful number, since it uses less digits than its factorization.

74321082472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116786 (or 116782 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The spelling of 74321082472 in words is "seventy-four billion, three hundred twenty-one million, eighty-two thousand, four hundred seventy-two".