674327765240 has 64 divisors (see below), whose sum is σ = 1572101524800. Its totient is φ = 260007666688.

The previous prime is 674327765161. The next prime is 674327765249. The reversal of 674327765240 is 42567723476.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674327765249) 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, 244637 + ... + 1186803.

It is an arithmetic number, because the mean of its divisors is an integer number (24564086325).

Almost surely, 2^674327765240 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 674327765240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786050762400).

674327765240 is an abundant number, since it is smaller than the sum of its proper divisors (897773759560).

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

674327765240 is a wasteful number, since it uses less digits than its factorization.

674327765240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942824 (or 942820 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 53.

The spelling of 674327765240 in words is "six hundred seventy-four billion, three hundred twenty-seven million, seven hundred sixty-five thousand, two hundred forty".