747973718 has 16 divisors (see below), whose sum is σ = 1189190160. Its totient is φ = 351622656.

The previous prime is 747973717. The next prime is 747973747. The reversal of 747973718 is 817379747.

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 747973718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (747973717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23405 + ... + 45207.

It is an arithmetic number, because the mean of its divisors is an integer number (74324385).

Almost surely, 2^747973718 is an apocalyptic number.

747973718 is a deficient number, since it is larger than the sum of its proper divisors (441216442).

747973718 is a wasteful number, since it uses less digits than its factorization.

747973718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22831.

The product of its digits is 2074464, while the sum is 53.

The square root of 747973718 is about 27349.1081755877. The cubic root of 747973718 is about 907.7413364979.

The spelling of 747973718 in words is "seven hundred forty-seven million, nine hundred seventy-three thousand, seven hundred eighteen".