745630 has 16 divisors (see below), whose sum is σ = 1353024. Its totient is φ = 295840.

The previous prime is 745621. The next prime is 745631. The reversal of 745630 is 36547.

745630 is nontrivially palindromic in base 4.

745630 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 junction number, because it is equal to n+sod(n) for n = 745595 and 745604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745631) by changing a digit.

745630 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515 + ... + 1945.

It is an arithmetic number, because the mean of its divisors is an integer number (84564).

2⁷⁴⁵⁶³⁰ is an apocalyptic number.

745630 is a deficient number, since it is larger than the sum of its proper divisors (607394).

745630 is a wasteful number, since it uses less digits than its factorization.

745630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 745630 is about 863.4986971617. The cubic root of 745630 is about 90.6792231985.

The spelling of 745630 in words is "seven hundred forty-five thousand, six hundred thirty".