745338 has 32 divisors (see below), whose sum is σ = 1700352. Its totient is φ = 215600.

The previous prime is 745337. The next prime is 745343. The reversal of 745338 is 833547.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (745337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1273 + ... + 1763.

It is an arithmetic number, because the mean of its divisors is an integer number (53136).

2⁷⁴⁵³³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850176).

745338 is an abundant number, since it is smaller than the sum of its proper divisors (955014).

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

745338 is a wasteful number, since it uses less digits than its factorization.

745338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530.

The product of its digits is 10080, while the sum is 30.

The square root of 745338 is about 863.3296010215. The cubic root of 745338 is about 90.6673845339.

Subtracting 745338 from its reverse (833547), we obtain a square (88209 = 297²).

The spelling of 745338 in words is "seven hundred forty-five thousand, three hundred thirty-eight".