745308 has 48 divisors (see below), whose sum is σ = 1980160. Its totient is φ = 242352.

The previous prime is 745307. The next prime is 745337. The reversal of 745308 is 803547.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7185 + ... + 7287.

2⁷⁴⁵³⁰⁸ 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 745308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990080).

745308 is an abundant number, since it is smaller than the sum of its proper divisors (1234852).

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

745308 is a wasteful number, since it uses less digits than its factorization.

745308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 745308 is about 863.3122262542. The cubic root of 745308 is about 90.6661680576. Note that the first 3 decimals are identical.

The spelling of 745308 in words is "seven hundred forty-five thousand, three hundred eight".