745207 has 4 divisors (see below), whose sum is σ = 754720. Its totient is φ = 735696.

The previous prime is 745201. The next prime is 745231. The reversal of 745207 is 702547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702547 = 79 ⋅8893.

It is a cyclic number.

It is not a de Polignac number, because 745207 - 2¹¹ = 743159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4638 + ... + 4795.

It is an arithmetic number, because the mean of its divisors is an integer number (188680).

2⁷⁴⁵²⁰⁷ is an apocalyptic number.

745207 is a deficient number, since it is larger than the sum of its proper divisors (9513).

745207 is an equidigital number, since it uses as much as digits as its factorization.

745207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9512.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 745207 is about 863.2537286337. The cubic root of 745207 is about 90.6620723475.

The spelling of 745207 in words is "seven hundred forty-five thousand, two hundred seven".