740918864785 has 16 divisors (see below), whose sum is σ = 980828248320. Its totient is φ = 532795584640.

The previous prime is 740918864779. The next prime is 740918864789. The reversal of 740918864785 is 587468819047.

It is not a de Polignac number, because 740918864785 - 2²³ = 740910476177 is a prime.

It is a super-2 number, since 2×740918864785² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 740918864785.

It is not an unprimeable number, because it can be changed into a prime (740918864789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75676297 + ... + 75686086.

It is an arithmetic number, because the mean of its divisors is an integer number (61301765520).

Almost surely, 2^740918864785 is an apocalyptic number.

It is an amenable number.

740918864785 is a deficient number, since it is larger than the sum of its proper divisors (239909383535).

740918864785 is a wasteful number, since it uses less digits than its factorization.

740918864785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151362488.

The product of its (nonzero) digits is 108380160, while the sum is 67.

The spelling of 740918864785 in words is "seven hundred forty billion, nine hundred eighteen million, eight hundred sixty-four thousand, seven hundred eighty-five".