745386 has 8 divisors (see below), whose sum is σ = 1490784. Its totient is φ = 248460.

The previous prime is 745379. The next prime is 745391. The reversal of 745386 is 683547.

It is a sphenic number, since it is the product of 3 distinct primes.

745386 is an admirable number.

It is an Ulam number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 745386.

It is an unprimeable number.

745386 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62110 + ... + 62121.

It is an arithmetic number, because the mean of its divisors is an integer number (186348).

2⁷⁴⁵³⁸⁶ is an apocalyptic number.

745386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

745386 is a wasteful number, since it uses less digits than its factorization.

745386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124236.

The product of its digits is 20160, while the sum is 33.

The square root of 745386 is about 863.3573999220. The cubic root of 745386 is about 90.6693308281.

It can be divided in two parts, 74 and 5386, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 745386 in words is "seven hundred forty-five thousand, three hundred eighty-six".