674105940 has 144 divisors (see below), whose sum is σ = 2193609600. Its totient is φ = 167042304.

The previous prime is 674105917. The next prime is 674105983. The reversal of 674105940 is 49501476.

674105940 is a `hidden beast` number, since 67 + 4 + 1 + 0 + 594 + 0 = 666.

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 = 674105895 and 674105904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179401 + ... + 183119.

It is an arithmetic number, because the mean of its divisors is an integer number (15233400).

Almost surely, 2^674105940 is an apocalyptic number.

674105940 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 674105940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1096804800).

674105940 is an abundant number, since it is smaller than the sum of its proper divisors (1519503660).

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

674105940 is a wasteful number, since it uses less digits than its factorization.

674105940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806 (or 3801 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 674105940 is about 25963.5502194904. The cubic root of 674105940 is about 876.8178544463.

The spelling of 674105940 in words is "six hundred seventy-four million, one hundred five thousand, nine hundred forty".