674531263 has 16 divisors (see below), whose sum is σ = 812703744. Its totient is φ = 547606080.

The previous prime is 674531261. The next prime is 674531269. The reversal of 674531263 is 362135476.

It is not a de Polignac number, because 674531263 - 2¹ = 674531261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674531261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22870 + ... + 43267.

It is an arithmetic number, because the mean of its divisors is an integer number (50793984).

Almost surely, 2^674531263 is an apocalyptic number.

674531263 is a deficient number, since it is larger than the sum of its proper divisors (138172481).

674531263 is a wasteful number, since it uses less digits than its factorization.

674531263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66222.

The product of its digits is 90720, while the sum is 37.

The square root of 674531263 is about 25971.7396991422. The cubic root of 674531263 is about 877.0022232885.

The spelling of 674531263 in words is "six hundred seventy-four million, five hundred thirty-one thousand, two hundred sixty-three".