74375721746496 has 189 divisors, whose sum is σ = 220807079108733. Its totient is φ = 23935082088960.

The previous prime is 74375721746479. The next prime is 74375721746531. The reversal of 74375721746496 is 69464712757347.

The square root of 74375721746496 is 8624136.

It is a perfect power (a square), and thus also a powerful number.

74375721746496 is a `hidden beast` number, since 7 + 4 + 3 + 7 + 5 + 72 + 1 + 7 + 464 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39000824364096 + 35374897382400 = 6245064^2 + 5947680^2 .

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6002392461 + ... + 6002404851.

Almost surely, 2^{74375721746496} is an apocalyptic number.

74375721746496 is the 8624136-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74375721746496

74375721746496 is an abundant number, since it is smaller than the sum of its proper divisors (146431357362237).

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

74375721746496 is an frugal number, since it uses more digits than its factorization.

74375721746496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24858 (or 12425 counting only the distinct ones).

The product of its digits is 1493614080, while the sum is 72.

The spelling of 74375721746496 in words is "seventy-four trillion, three hundred seventy-five billion, seven hundred twenty-one million, seven hundred forty-six thousand, four hundred ninety-six".