745946 has 4 divisors (see below), whose sum is σ = 1118922. Its totient is φ = 372972.

The previous prime is 745939. The next prime is 745951. The reversal of 745946 is 649547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 649547 = 139 ⋅4673.

It can be written as a sum of positive squares in only one way, i.e., 703921 + 42025 = 839^2 + 205^2 .

It is a plaindrome in base 14.

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, 186485 + ... + 186488.

2⁷⁴⁵⁹⁴⁶ is an apocalyptic number.

745946 is a deficient number, since it is larger than the sum of its proper divisors (372976).

745946 is a wasteful number, since it uses less digits than its factorization.

745946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372975.

The product of its digits is 30240, while the sum is 35.

The square root of 745946 is about 863.6816543148. The cubic root of 745946 is about 90.6920314222.

The spelling of 745946 in words is "seven hundred forty-five thousand, nine hundred forty-six".