674271745 has 8 divisors (see below), whose sum is σ = 924715584. Its totient is φ = 462357744.

The previous prime is 674271713. The next prime is 674271781. The reversal of 674271745 is 547172476.

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

It is a cyclic number.

It is not a de Polignac number, because 674271745 - 2⁵ = 674271713 is a prime.

It is a super-2 number, since 2×674271745² = 909284772210690050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9632419 + ... + 9632488.

It is an arithmetic number, because the mean of its divisors is an integer number (115589448).

Almost surely, 2^674271745 is an apocalyptic number.

It is an amenable number.

674271745 is a deficient number, since it is larger than the sum of its proper divisors (250443839).

674271745 is a wasteful number, since it uses less digits than its factorization.

674271745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19264919.

The product of its digits is 329280, while the sum is 43.

The square root of 674271745 is about 25966.7430572261. The cubic root of 674271745 is about 876.8897367514.

It can be divided in two parts, 6742 and 71745, that added together give a palindrome (78487).

The spelling of 674271745 in words is "six hundred seventy-four million, two hundred seventy-one thousand, seven hundred forty-five".