747199997136 has 160 divisors (see below), whose sum is σ = 2273062014720. Its totient is φ = 234192715776.

The previous prime is 747199997059. The next prime is 747199997143. The reversal of 747199997136 is 631799991747.

747199997136 is digitally balanced in base 2 and base 4, because in such bases 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 (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7758816 + ... + 7854528.

It is an arithmetic number, because the mean of its divisors is an integer number (14206637592).

Almost surely, 2^747199997136 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 747199997136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1136531007360).

747199997136 is an abundant number, since it is smaller than the sum of its proper divisors (1525862017584).

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

747199997136 is a wasteful number, since it uses less digits than its factorization.

747199997136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96810 (or 96798 counting only the distinct ones).

The product of its digits is 162030456, while the sum is 72.

The spelling of 747199997136 in words is "seven hundred forty-seven billion, one hundred ninety-nine million, nine hundred ninety-seven thousand, one hundred thirty-six".