674319126 has 48 divisors (see below), whose sum is σ = 1473999120. Its totient is φ = 205545600.

The previous prime is 674319119. The next prime is 674319137. The reversal of 674319126 is 621913476.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107476 + ... + 113576.

It is an arithmetic number, because the mean of its divisors is an integer number (30708315).

Almost surely, 2^674319126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674319126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736999560).

674319126 is an abundant number, since it is smaller than the sum of its proper divisors (799679994).

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

674319126 is a wasteful number, since it uses less digits than its factorization.

674319126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6241 (or 6228 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 674319126 is about 25967.6553812623. The cubic root of 674319126 is about 876.9102759182.

The spelling of 674319126 in words is "six hundred seventy-four million, three hundred nineteen thousand, one hundred twenty-six".