674273440 has 24 divisors (see below), whose sum is σ = 1592971380. Its totient is φ = 269709312.

The previous prime is 674273429. The next prime is 674273449. The reversal of 674273440 is 44372476.

It can be written as a sum of positive squares in 2 ways, for example, as 673713936 + 559504 = 25956^2 + 748^2 .

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 674273440.

It is not an unprimeable number, because it can be changed into a prime (674273449) 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, 2106945 + ... + 2107264.

Almost surely, 2^674273440 is an apocalyptic number.

It is an amenable number.

674273440 is an abundant number, since it is smaller than the sum of its proper divisors (918697940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

674273440 is a wasteful number, since it uses less digits than its factorization.

674273440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214224 (or 4214216 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 37.

The square root of 674273440 is about 25966.7756951070. The cubic root of 674273440 is about 876.8904715328.

The spelling of 674273440 in words is "six hundred seventy-four million, two hundred seventy-three thousand, four hundred forty".