674268140 has 48 divisors (see below), whose sum is σ = 1742728512. Its totient is φ = 213394176.

The previous prime is 674268139. The next prime is 674268149. The reversal of 674268140 is 41862476.

It is a junction number, because it is equal to n+sod(n) for n = 674268094 and 674268103.

It is not an unprimeable number, because it can be changed into a prime (674268149) 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, 183419 + ... + 187058.

It is an arithmetic number, because the mean of its divisors is an integer number (36306844).

Almost surely, 2^674268140 is an apocalyptic number.

It is an amenable number.

674268140 is an abundant number, since it is smaller than the sum of its proper divisors (1068460372).

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

674268140 is a wasteful number, since it uses less digits than its factorization.

674268140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370506 (or 370504 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 674268140 is about 25966.6736414197. The cubic root of 674268140 is about 876.8881739823. Note that the first 3 decimals are identical.

The spelling of 674268140 in words is "six hundred seventy-four million, two hundred sixty-eight thousand, one hundred forty".