74941328819280 has 640 divisors, whose sum is σ = 297719304744960. Its totient is φ = 15138735390720.

The previous prime is 74941328819267. The next prime is 74941328819293. The reversal of 74941328819280 is 8291882314947.

It is an interprime number because it is at equal distance from previous prime (74941328819267) and next prime (74941328819293).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 832090891 + ... + 832180949.

It is an arithmetic number, because the mean of its divisors is an integer number (465186413664).

Almost surely, 2^{74941328819280} is an apocalyptic number.

74941328819280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74941328819280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148859652372480).

74941328819280 is an abundant number, since it is smaller than the sum of its proper divisors (222777975925680).

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

74941328819280 is a wasteful number, since it uses less digits than its factorization.

74941328819280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91347 (or 91341 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 66.

The spelling of 74941328819280 in words is "seventy-four trillion, nine hundred forty-one billion, three hundred twenty-eight million, eight hundred nineteen thousand, two hundred eighty".