745830 has 24 divisors (see below), whose sum is σ = 1939392. Its totient is φ = 198864.

The previous prime is 745817. The next prime is 745837. The reversal of 745830 is 38547.

745830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 745794 and 745803.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 745830.

It is not an unprimeable number, because it can be changed into a prime (745837) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4054 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (80808).

2⁷⁴⁵⁸³⁰ is an apocalyptic number.

745830 is an abundant number, since it is smaller than the sum of its proper divisors (1193562).

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

745830 is a wasteful number, since it uses less digits than its factorization.

745830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8300 (or 8297 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 745830 is about 863.6144973308. The cubic root of 745830 is about 90.6873300895.

The spelling of 745830 in words is "seven hundred forty-five thousand, eight hundred thirty".