745755 has 16 divisors (see below), whose sum is σ = 1209600. Its totient is φ = 392288.

The previous prime is 745753. The next prime is 745757. The reversal of 745755 is 557547.

745755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (745753) and next prime (745757).

It is a cyclic number.

It is not a de Polignac number, because 745755 - 2¹ = 745753 is a prime.

745755 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 946 + ... + 1544.

It is an arithmetic number, because the mean of its divisors is an integer number (75600).

2⁷⁴⁵⁷⁵⁵ is an apocalyptic number.

745755 is a deficient number, since it is larger than the sum of its proper divisors (463845).

745755 is a wasteful number, since it uses less digits than its factorization.

745755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its digits is 24500, while the sum is 33.

The square root of 745755 is about 863.5710740871. The cubic root of 745755 is about 90.6842901752.

The spelling of 745755 in words is "seven hundred forty-five thousand, seven hundred fifty-five".