745275 has 24 divisors (see below), whose sum is σ = 1299520. Its totient is φ = 375840.

The previous prime is 745273. The next prime is 745301. The reversal of 745275 is 572547.

It is not a de Polignac number, because 745275 - 2¹ = 745273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (745273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1164 + ... + 1686.

2⁷⁴⁵²⁷⁵ is an apocalyptic number.

745275 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

745275 is a deficient number, since it is larger than the sum of its proper divisors (554245).

745275 is a wasteful number, since it uses less digits than its factorization.

745275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555 (or 550 counting only the distinct ones).

The product of its digits is 9800, while the sum is 30.

The square root of 745275 is about 863.2931136063. The cubic root of 745275 is about 90.6648298960.

The spelling of 745275 in words is "seven hundred forty-five thousand, two hundred seventy-five".