745601 has 2 divisors, whose sum is σ = 745602. Its totient is φ = 745600.

The previous prime is 745573. The next prime is 745609. The reversal of 745601 is 106547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 361201 = 620^2 + 601^2 .

It is a cyclic number.

It is not a de Polignac number, because 745601 - 2¹⁴ = 729217 is a prime.

It is not a weakly prime, because it can be changed into another prime (745609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372800 + 372801.

It is an arithmetic number, because the mean of its divisors is an integer number (372801).

2⁷⁴⁵⁶⁰¹ is an apocalyptic number.

It is an amenable number.

745601 is a deficient number, since it is larger than the sum of its proper divisors (1).

745601 is an equidigital number, since it uses as much as digits as its factorization.

745601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 745601 is about 863.4819048480. The cubic root of 745601 is about 90.6780475789.

The spelling of 745601 in words is "seven hundred forty-five thousand, six hundred one".