747480138336 has 432 divisors, whose sum is σ = 2296665025200. Its totient is φ = 239175078912.

The previous prime is 747480138329. The next prime is 747480138341. The reversal of 747480138336 is 633831084747.

747480138336 is a `hidden beast` number, since 7 + 47 + 480 + 13 + 83 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1783961935 + ... + 1783962353.

It is an arithmetic number, because the mean of its divisors is an integer number (5316354225).

Almost surely, 2^747480138336 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 747480138336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148332512600).

747480138336 is an abundant number, since it is smaller than the sum of its proper divisors (1549184886864).

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

747480138336 is an equidigital number, since it uses as much as digits as its factorization.

747480138336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 747480138336 in words is "seven hundred forty-seven billion, four hundred eighty million, one hundred thirty-eight thousand, three hundred thirty-six".