745168 has 10 divisors (see below), whose sum is σ = 1443794. Its totient is φ = 372576.

The previous prime is 745141. The next prime is 745181. The reversal of 745168 is 861547.

It can be written as a sum of positive squares in only one way, i.e., 399424 + 345744 = 632^2 + 588^2 .

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 as a sum of consecutive naturals, namely, 23271 + ... + 23302.

2⁷⁴⁵¹⁶⁸ is an apocalyptic number.

It is an amenable number.

745168 is a deficient number, since it is larger than the sum of its proper divisors (698626).

745168 is a wasteful number, since it uses less digits than its factorization.

745168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46581 (or 46575 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 745168 is about 863.2311393827. The cubic root of 745168 is about 90.6604907366.

The spelling of 745168 in words is "seven hundred forty-five thousand, one hundred sixty-eight".