745754481864 has 96 divisors (see below), whose sum is σ = 2364587447040. Its totient is φ = 207875808000.

The previous prime is 745754481803. The next prime is 745754481911. The reversal of 745754481864 is 468184457547.

745754481864 is a `hidden beast` number, since 7 + 4 + 5 + 7 + 5 + 448 + 186 + 4 = 666.

It is a super-2 number, since 2×745754481864² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18024112 + ... + 18065439.

It is an arithmetic number, because the mean of its divisors is an integer number (24631119240).

Almost surely, 2^745754481864 is an apocalyptic number.

It is an amenable number.

745754481864 is an abundant number, since it is smaller than the sum of its proper divisors (1618832965176).

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

745754481864 is a wasteful number, since it uses less digits than its factorization.

745754481864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36089611 (or 36089604 counting only the distinct ones).

The product of its digits is 120422400, while the sum is 63.

The spelling of 745754481864 in words is "seven hundred forty-five billion, seven hundred fifty-four million, four hundred eighty-one thousand, eight hundred sixty-four".