745212 has 48 divisors (see below), whose sum is σ = 1989792. Its totient is φ = 215040.

The previous prime is 745201. The next prime is 745231. The reversal of 745212 is 212547.

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

It is a congruent number.

It is an unprimeable number.

745212 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2512 + ... + 2792.

It is an arithmetic number, because the mean of its divisors is an integer number (41454).

2⁷⁴⁵²¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (994896).

745212 is an abundant number, since it is smaller than the sum of its proper divisors (1244580).

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

745212 is a wasteful number, since it uses less digits than its factorization.

745212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 316 counting only the distinct ones).

The product of its digits is 560, while the sum is 21.

The square root of 745212 is about 863.2566246488. The cubic root of 745212 is about 90.6622751141.

Adding to 745212 its reverse (212547), we get a palindrome (957759).

The spelling of 745212 in words is "seven hundred forty-five thousand, two hundred twelve".