745807 has 8 divisors (see below), whose sum is σ = 831600. Its totient is φ = 664704.

The previous prime is 745757. The next prime is 745817. The reversal of 745807 is 708547.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 745807 - 2¹⁵ = 713039 is a prime.

It is a Duffinian number.

745807 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745817) 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 7 ways as a sum of consecutive naturals, for example, 832 + ... + 1477.

It is an arithmetic number, because the mean of its divisors is an integer number (103950).

2⁷⁴⁵⁸⁰⁷ is an apocalyptic number.

745807 is a deficient number, since it is larger than the sum of its proper divisors (85793).

745807 is a wasteful number, since it uses less digits than its factorization.

745807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 745807 is about 863.6011811016. The cubic root of 745807 is about 90.6863978707.

The spelling of 745807 in words is "seven hundred forty-five thousand, eight hundred seven".