745242 has 16 divisors (see below), whose sum is σ = 1542240. Its totient is φ = 239792.

The previous prime is 745231. The next prime is 745243. The reversal of 745242 is 242547.

It is not an unprimeable number, because it can be changed into a prime (745243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1968 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (96390).

2⁷⁴⁵²⁴² is an apocalyptic number.

745242 is an abundant number, since it is smaller than the sum of its proper divisors (796998).

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

745242 is a wasteful number, since it uses less digits than its factorization.

745242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317.

The product of its digits is 2240, while the sum is 24.

The square root of 745242 is about 863.2740005352. The cubic root of 745242 is about 90.6634916949.

Adding to 745242 its reverse (242547), we get a palindrome (987789).

The spelling of 745242 in words is "seven hundred forty-five thousand, two hundred forty-two".