674140860 has 96 divisors (see below), whose sum is σ = 2148552000. Its totient is φ = 175380480.

The previous prime is 674140823. The next prime is 674140861. The reversal of 674140860 is 68041476.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674140861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6916 + ... + 37364.

It is an arithmetic number, because the mean of its divisors is an integer number (22380750).

Almost surely, 2^674140860 is an apocalyptic number.

674140860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 674140860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074276000).

674140860 is an abundant number, since it is smaller than the sum of its proper divisors (1474411140).

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

674140860 is a wasteful number, since it uses less digits than its factorization.

674140860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30508 (or 30500 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 674140860 is about 25964.2226920045. Note that the first 3 decimals coincide. The cubic root of 674140860 is about 876.8329944755.

The spelling of 674140860 in words is "six hundred seventy-four million, one hundred forty thousand, eight hundred sixty".