74863226253312 has 936 divisors, whose sum is σ = 258274588056576. Its totient is φ = 21252490297344.

The previous prime is 74863226253293. The next prime is 74863226253313. The reversal of 74863226253312 is 21335262236847.

74863226253312 is a `hidden beast` number, since 7 + 4 + 8 + 6 + 3 + 2 + 2 + 625 + 3 + 3 + 1 + 2 = 666.

74863226253312 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74863226253313) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31415536473 + ... + 31415538855.

Almost surely, 2^{74863226253312} is an apocalyptic number.

74863226253312 is a gapful number since it is divisible by the number (72) 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 74863226253312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129137294028288).

74863226253312 is an abundant number, since it is smaller than the sum of its proper divisors (183411361803264).

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

74863226253312 is an frugal number, since it uses more digits than its factorization.

74863226253312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605 (or 2562 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 54.

The spelling of 74863226253312 in words is "seventy-four trillion, eight hundred sixty-three billion, two hundred twenty-six million, two hundred fifty-three thousand, three hundred twelve".