745436 has 12 divisors (see below), whose sum is σ = 1313928. Its totient is φ = 370032.

The previous prime is 745397. The next prime is 745471. The reversal of 745436 is 634547.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 745399 and 745408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35 + ... + 1221.

It is an arithmetic number, because the mean of its divisors is an integer number (109494).

2⁷⁴⁵⁴³⁶ is an apocalyptic number.

It is an amenable number.

745436 is a deficient number, since it is larger than the sum of its proper divisors (568492).

745436 is a wasteful number, since it uses less digits than its factorization.

745436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348 (or 1346 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 745436 is about 863.3863561581. The cubic root of 745436 is about 90.6713581290.

Subtracting from 745436 its reverse (634547), we obtain a square (110889 = 333²).

The spelling of 745436 in words is "seven hundred forty-five thousand, four hundred thirty-six".