745279 has 8 divisors (see below), whose sum is σ = 773568. Its totient is φ = 717600.

The previous prime is 745273. The next prime is 745301. The reversal of 745279 is 972547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745279 - 2⁵ = 745247 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 (745273) 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, 4669 + ... + 4825.

It is an arithmetic number, because the mean of its divisors is an integer number (96696).

2⁷⁴⁵²⁷⁹ is an apocalyptic number.

745279 is a deficient number, since it is larger than the sum of its proper divisors (28289).

745279 is a wasteful number, since it uses less digits than its factorization.

745279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305.

The product of its digits is 17640, while the sum is 34.

The square root of 745279 is about 863.2954303134. The cubic root of 745279 is about 90.6649920995.

It can be divided in two parts, 745 and 279, that added together give a 10-th power (1024 = 2¹⁰).

The spelling of 745279 in words is "seven hundred forty-five thousand, two hundred seventy-nine".