745732 has 12 divisors (see below), whose sum is σ = 1405516. Its totient is φ = 344160.

The previous prime is 745727. The next prime is 745733. The reversal of 745732 is 237547.

It can be written as a sum of positive squares in 2 ways, for example, as 50176 + 695556 = 224^2 + 834^2 .

It is a super-2 number, since 2×745732² = 1112232431648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 745732.

It is not an unprimeable number, because it can be changed into a prime (745733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7119 + ... + 7222.

2⁷⁴⁵⁷³² is an apocalyptic number.

It is an amenable number.

745732 is a deficient number, since it is larger than the sum of its proper divisors (659784).

745732 is a wasteful number, since it uses less digits than its factorization.

745732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14358 (or 14356 counting only the distinct ones).

The product of its digits is 5880, while the sum is 28.

The square root of 745732 is about 863.5577571882. The cubic root of 745732 is about 90.6833578940.

The spelling of 745732 in words is "seven hundred forty-five thousand, seven hundred thirty-two".