674315240 has 64 divisors (see below), whose sum is σ = 1544780160. Its totient is φ = 264866560.

The previous prime is 674315231. The next prime is 674315249. The reversal of 674315240 is 42513476.

It is an interprime number because it is at equal distance from previous prime (674315231) and next prime (674315249).

It is a junction number, because it is equal to n+sod(n) for n = 674315197 and 674315206.

It is not an unprimeable number, because it can be changed into a prime (674315249) 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, 653525 + ... + 654555.

It is an arithmetic number, because the mean of its divisors is an integer number (24137190).

Almost surely, 2^674315240 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 674315240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772390080).

674315240 is an abundant number, since it is smaller than the sum of its proper divisors (870464920).

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

674315240 is a wasteful number, since it uses less digits than its factorization.

674315240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 674315240 is about 25967.5805573026. The cubic root of 674315240 is about 876.9085914142.

The spelling of 674315240 in words is "six hundred seventy-four million, three hundred fifteen thousand, two hundred forty".