675744 has 24 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 225216.

The previous prime is 675743. The next prime is 675751. The reversal of 675744 is 447576.

675744 = 270² + 271² + ... + 278².

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3424 + ... + 3615.

It is an arithmetic number, because the mean of its divisors is an integer number (73920).

2⁶⁷⁵⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

675744 is an abundant number, since it is smaller than the sum of its proper divisors (1098336).

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

675744 is a wasteful number, since it uses less digits than its factorization.

675744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052 (or 7044 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 675744 is about 822.0364955402. The cubic root of 675744 is about 87.7527494857.

The spelling of 675744 in words is "six hundred seventy-five thousand, seven hundred forty-four".