747831237120 has 480 divisors, whose sum is σ = 2842479319680. Its totient is φ = 180196638720.

The previous prime is 747831237119. The next prime is 747831237133. The reversal of 747831237120 is 21732138747.

747831237120 is a `hidden beast` number, since 7 + 478 + 31 + 23 + 7 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42315646 + ... + 42333314.

It is an arithmetic number, because the mean of its divisors is an integer number (5921831916).

Almost surely, 2^747831237120 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 747831237120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1421239659840).

747831237120 is an abundant number, since it is smaller than the sum of its proper divisors (2094648082560).

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

747831237120 is a wasteful number, since it uses less digits than its factorization.

747831237120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17876 (or 17857 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 747831237120 in words is "seven hundred forty-seven billion, eight hundred thirty-one million, two hundred thirty-seven thousand, one hundred twenty".