674544755 has 4 divisors (see below), whose sum is σ = 809453712. Its totient is φ = 539635800.

The previous prime is 674544749. The next prime is 674544797. The reversal of 674544755 is 557445476.

674544755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-674544755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67454471 + ... + 67454480.

It is an arithmetic number, because the mean of its divisors is an integer number (202363428).

Almost surely, 2^674544755 is an apocalyptic number.

674544755 is a deficient number, since it is larger than the sum of its proper divisors (134908957).

674544755 is a wasteful number, since it uses less digits than its factorization.

674544755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134908956.

The product of its digits is 2352000, while the sum is 47.

The square root of 674544755 is about 25971.9994417064. Note that the first 3 decimals coincide. The cubic root of 674544755 is about 877.0080705268.

The spelling of 674544755 in words is "six hundred seventy-four million, five hundred forty-four thousand, seven hundred fifty-five".