674399112 has 64 divisors (see below), whose sum is σ = 1809708480. Its totient is φ = 208668672.

The previous prime is 674399101. The next prime is 674399113. The reversal of 674399112 is 211993476.

It is not an unprimeable number, because it can be changed into a prime (674399113) 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, 18463 + ... + 41105.

It is an arithmetic number, because the mean of its divisors is an integer number (28276695).

Almost surely, 2^674399112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674399112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (904854240).

674399112 is an abundant number, since it is smaller than the sum of its proper divisors (1135309368).

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

674399112 is a wasteful number, since it uses less digits than its factorization.

674399112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22742 (or 22738 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 674399112 is about 25969.1954438331. The cubic root of 674399112 is about 876.9449468277.

The spelling of 674399112 in words is "six hundred seventy-four million, three hundred ninety-nine thousand, one hundred twelve".