745795597547 has 32 divisors (see below), whose sum is σ = 1005759465984. Its totient is φ = 534073075200.

The previous prime is 745795597543. The next prime is 745795597583.

It is a happy number.

745795597547 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 745795597547 - 2² = 745795597543 is a prime.

It is a super-2 number, since 2×745795597547² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745795597543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1413854 + ... + 1868307.

It is an arithmetic number, because the mean of its divisors is an integer number (31429983312).

Almost surely, 2^745795597547 is an apocalyptic number.

745795597547 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

745795597547 is a deficient number, since it is larger than the sum of its proper divisors (259963868437).

745795597547 is a wasteful number, since it uses less digits than its factorization.

745795597547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282419.

The product of its digits is 1944810000, while the sum is 74.

The spelling of 745795597547 in words is "seven hundred forty-five billion, seven hundred ninety-five million, five hundred ninety-seven thousand, five hundred forty-seven".