674085272691 has 4 divisors (see below), whose sum is σ = 898780363592. Its totient is φ = 449390181792.

The previous prime is 674085272669. The next prime is 674085272771. The reversal of 674085272691 is 196272580476.

It is a happy number.

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

It is not a de Polignac number, because 674085272691 - 2¹¹ = 674085270643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674085272591) 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, 112347545446 + ... + 112347545451.

It is an arithmetic number, because the mean of its divisors is an integer number (224695090898).

Almost surely, 2^674085272691 is an apocalyptic number.

674085272691 is a deficient number, since it is larger than the sum of its proper divisors (224695090901).

674085272691 is a wasteful number, since it uses less digits than its factorization.

674085272691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224695090900.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 674085272691 in words is "six hundred seventy-four billion, eighty-five million, two hundred seventy-two thousand, six hundred ninety-one".