745727 has 2 divisors, whose sum is σ = 745728. Its totient is φ = 745726.

The previous prime is 745711. The next prime is 745733. The reversal of 745727 is 727547.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745727 - 2⁴ = 745711 is a prime.

It is a super-2 number, since 2×745727² = 1112217517058, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 745693 and 745702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372863 + 372864.

It is an arithmetic number, because the mean of its divisors is an integer number (372864).

2⁷⁴⁵⁷²⁷ is an apocalyptic number.

745727 is a deficient number, since it is larger than the sum of its proper divisors (1).

745727 is an equidigital number, since it uses as much as digits as its factorization.

745727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13720, while the sum is 32.

The square root of 745727 is about 863.5548621831. The cubic root of 745727 is about 90.6831552216.

The spelling of 745727 in words is "seven hundred forty-five thousand, seven hundred twenty-seven".