63674171053740 has 384 divisors, whose sum is σ = 215107522560000. Its totient is φ = 15543572308992.

The previous prime is 63674171053739. The next prime is 63674171053747. The reversal of 63674171053740 is 4735017147636.

63674171053740 is a `hidden beast` number, since 6 + 3 + 67 + 4 + 1 + 7 + 1 + 0 + 537 + 40 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (63674171053747) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2272521451 + ... + 2272549469.

It is an arithmetic number, because the mean of its divisors is an integer number (560175840000).

Almost surely, 2^{63674171053740} is an apocalyptic number.

63674171053740 is a gapful number since it is divisible by the number (60) 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 63674171053740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107553761280000).

63674171053740 is an abundant number, since it is smaller than the sum of its proper divisors (151433351506260).

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

63674171053740 is a wasteful number, since it uses less digits than its factorization.

63674171053740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30726 (or 30718 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 63674171053740 in words is "sixty-three trillion, six hundred seventy-four billion, one hundred seventy-one million, fifty-three thousand, seven hundred forty".