745939 has 2 divisors, whose sum is σ = 745940. Its totient is φ = 745938.

The previous prime is 745933. The next prime is 745951. The reversal of 745939 is 939547.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 745939 - 2³ = 745931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 745898 and 745907.

It is not a weakly prime, because it can be changed into another prime (745931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372969 + 372970.

It is an arithmetic number, because the mean of its divisors is an integer number (372970).

2⁷⁴⁵⁹³⁹ is an apocalyptic number.

745939 is a deficient number, since it is larger than the sum of its proper divisors (1).

745939 is an equidigital number, since it uses as much as digits as its factorization.

745939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The square root of 745939 is about 863.6776018863. The cubic root of 745939 is about 90.6917477349.

The spelling of 745939 in words is "seven hundred forty-five thousand, nine hundred thirty-nine".