74272327680 has 192 divisors, whose sum is σ = 239930570880. Its totient is φ = 19612827648.

The previous prime is 74272327673. The next prime is 74272327691. The reversal of 74272327680 is 8672327247.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3152424 + ... + 3175896.

It is an arithmetic number, because the mean of its divisors is an integer number (1249638390).

Almost surely, 2^74272327680 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 74272327680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119965285440).

74272327680 is an abundant number, since it is smaller than the sum of its proper divisors (165658243200).

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

74272327680 is a wasteful number, since it uses less digits than its factorization.

74272327680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23606 (or 23586 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 48.

The spelling of 74272327680 in words is "seventy-four billion, two hundred seventy-two million, three hundred twenty-seven thousand, six hundred eighty".