674706240 has 224 divisors, whose sum is σ = 2563733760. Its totient is φ = 166053888.

The previous prime is 674706239. The next prime is 674706247. The reversal of 674706240 is 42607476.

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

It is a junction number, because it is equal to n+sod(n) for n = 674706195 and 674706204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674706247) 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, 109317 + ... + 115323.

It is an arithmetic number, because the mean of its divisors is an integer number (11445240).

Almost surely, 2^674706240 is an apocalyptic number.

674706240 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 674706240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281866880).

674706240 is an abundant number, since it is smaller than the sum of its proper divisors (1889027520).

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

674706240 is a wasteful number, since it uses less digits than its factorization.

674706240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046 (or 6030 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 674706240 is about 25975.1080844719. The cubic root of 674706240 is about 877.0780497472.

The spelling of 674706240 in words is "six hundred seventy-four million, seven hundred six thousand, two hundred forty".