745907 has 4 divisors (see below), whose sum is σ = 750816. Its totient is φ = 741000.

The previous prime is 745903. The next prime is 745931. The reversal of 745907 is 709547.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745907 - 2² = 745903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745903) 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 in 3 ways as a sum of consecutive naturals, for example, 2219 + ... + 2532.

It is an arithmetic number, because the mean of its divisors is an integer number (187704).

2⁷⁴⁵⁹⁰⁷ is an apocalyptic number.

745907 is a deficient number, since it is larger than the sum of its proper divisors (4909).

745907 is a wasteful number, since it uses less digits than its factorization.

745907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 745907 is about 863.6590762564. The cubic root of 745907 is about 90.6904508561.

The spelling of 745907 in words is "seven hundred forty-five thousand, nine hundred seven".