674545461 has 8 divisors (see below), whose sum is σ = 928406784. Its totient is φ = 435190560.

The previous prime is 674545447. The next prime is 674545493. The reversal of 674545461 is 164545476.

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

It is not a de Polignac number, because 674545461 - 2¹⁵ = 674512693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674545411) 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, 3626496 + ... + 3626681.

It is an arithmetic number, because the mean of its divisors is an integer number (116050848).

Almost surely, 2^674545461 is an apocalyptic number.

It is an amenable number.

674545461 is a deficient number, since it is larger than the sum of its proper divisors (253861323).

674545461 is a wasteful number, since it uses less digits than its factorization.

674545461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7253211.

The product of its digits is 403200, while the sum is 42.

The square root of 674545461 is about 25972.0130332633. The cubic root of 674545461 is about 877.0083764949.

The spelling of 674545461 in words is "six hundred seventy-four million, five hundred forty-five thousand, four hundred sixty-one".