747381318 has 16 divisors (see below), whose sum is σ = 1504796400. Its totient is φ = 247454816.

The previous prime is 747381311. The next prime is 747381337. The reversal of 747381318 is 813183747.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 747381318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747381311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417105 + ... + 418892.

It is an arithmetic number, because the mean of its divisors is an integer number (94049775).

Almost surely, 2^747381318 is an apocalyptic number.

747381318 is an abundant number, since it is smaller than the sum of its proper divisors (757415082).

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

747381318 is a wasteful number, since it uses less digits than its factorization.

747381318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836151.

The product of its digits is 112896, while the sum is 42.

The square root of 747381318 is about 27338.2756954421. The cubic root of 747381318 is about 907.5016275423.

The spelling of 747381318 in words is "seven hundred forty-seven million, three hundred eighty-one thousand, three hundred eighteen".