674474714545 has 8 divisors (see below), whose sum is σ = 810028224360. Its totient is φ = 539140727040.

The previous prime is 674474714503. The next prime is 674474714549. The reversal of 674474714545 is 545417474476.

674474714545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 62756763169 + 611717951376 = 250513^2 + 782124^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 674474714545 - 2²¹ = 674472617393 is a prime.

It is a super-2 number, since 2×674474714545² (a number of 24 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 674474714545.

It is not an unprimeable number, because it can be changed into a prime (674474714549) 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, 54873816 + ... + 54886105.

It is an arithmetic number, because the mean of its divisors is an integer number (101253528045).

Almost surely, 2^674474714545 is an apocalyptic number.

It is an amenable number.

674474714545 is a deficient number, since it is larger than the sum of its proper divisors (135553509815).

674474714545 is a wasteful number, since it uses less digits than its factorization.

674474714545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109761155.

The product of its digits is 52684800, while the sum is 58.

The spelling of 674474714545 in words is "six hundred seventy-four billion, four hundred seventy-four million, seven hundred fourteen thousand, five hundred forty-five".