675740 has 48 divisors (see below), whose sum is σ = 1608768. Its totient is φ = 236544.

The previous prime is 675739. The next prime is 675743. The reversal of 675740 is 47576.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675743) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5924 + ... + 6036.

It is an arithmetic number, because the mean of its divisors is an integer number (33516).

2⁶⁷⁵⁷⁴⁰ 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 675740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804384).

675740 is an abundant number, since it is smaller than the sum of its proper divisors (933028).

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

675740 is a wasteful number, since it uses less digits than its factorization.

675740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 675740 is about 822.0340625546. The cubic root of 675740 is about 87.7525763374.

It can be divided in two parts, 675 and 740, that multiplied together give a triangular number (499500 = T₉₉₉).

The spelling of 675740 in words is "six hundred seventy-five thousand, seven hundred forty".