74247302680 has 128 divisors (see below), whose sum is σ = 174197329920. Its totient is φ = 28450506240.

The previous prime is 74247302669. The next prime is 74247302707. The reversal of 74247302680 is 8620374247.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60708549 + ... + 60709771.

It is an arithmetic number, because the mean of its divisors is an integer number (1360916640).

Almost surely, 2^74247302680 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 74247302680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87098664960).

74247302680 is an abundant number, since it is smaller than the sum of its proper divisors (99950027240).

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

74247302680 is a wasteful number, since it uses less digits than its factorization.

74247302680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721 (or 1717 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 74247302680 in words is "seventy-four billion, two hundred forty-seven million, three hundred two thousand, six hundred eighty".