745626 has 32 divisors (see below), whose sum is σ = 1749888. Its totient is φ = 207360.

The previous prime is 745621. The next prime is 745631. The reversal of 745626 is 626547.

It is an interprime number because it is at equal distance from previous prime (745621) and next prime (745631).

It is a junction number, because it is equal to n+sod(n) for n = 745593 and 745602.

It is not an unprimeable number, because it can be changed into a prime (745621) 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, 1506 + ... + 1938.

It is an arithmetic number, because the mean of its divisors is an integer number (54684).

2⁷⁴⁵⁶²⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874944).

745626 is an abundant number, since it is smaller than the sum of its proper divisors (1004262).

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

745626 is a wasteful number, since it uses less digits than its factorization.

745626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its digits is 10080, while the sum is 30.

The square root of 745626 is about 863.4963809999. The cubic root of 745626 is about 90.6790610459.

The spelling of 745626 in words is "seven hundred forty-five thousand, six hundred twenty-six".