747861318 has 72 divisors (see below), whose sum is σ = 1735293456. Its totient is φ = 232696800.

The previous prime is 747861293. The next prime is 747861341. The reversal of 747861318 is 813168747.

747861318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 460548 + ... + 462168.

It is an arithmetic number, because the mean of its divisors is an integer number (24101298).

Almost surely, 2^747861318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 747861318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867646728).

747861318 is an abundant number, since it is smaller than the sum of its proper divisors (987432138).

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

747861318 is a wasteful number, since it uses less digits than its factorization.

747861318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1738 (or 1716 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 747861318 is about 27347.0531867695. The cubic root of 747861318 is about 907.6958646518.

The spelling of 747861318 in words is "seven hundred forty-seven million, eight hundred sixty-one thousand, three hundred eighteen".