674720424923 has 4 divisors (see below), whose sum is σ = 676454925120. Its totient is φ = 672985924728.

The previous prime is 674720424919. The next prime is 674720424949. The reversal of 674720424923 is 329424027476.

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

It is a cyclic number.

It is not a de Polignac number, because 674720424923 - 2² = 674720424919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674720424913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867249515 + ... + 867250292.

It is an arithmetic number, because the mean of its divisors is an integer number (169113731280).

Almost surely, 2^674720424923 is an apocalyptic number.

674720424923 is a deficient number, since it is larger than the sum of its proper divisors (1734500197).

674720424923 is a wasteful number, since it uses less digits than its factorization.

674720424923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734500196.

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 674720424923 in words is "six hundred seventy-four billion, seven hundred twenty million, four hundred twenty-four thousand, nine hundred twenty-three".