745667 has 8 divisors (see below), whose sum is σ = 823200. Its totient is φ = 671040.

The previous prime is 745649. The next prime is 745673. The reversal of 745667 is 766547.

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 745667 - 2¹⁸ = 483523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (102900).

2⁷⁴⁵⁶⁶⁷ is an apocalyptic number.

745667 is a deficient number, since it is larger than the sum of its proper divisors (77533).

745667 is a wasteful number, since it uses less digits than its factorization.

745667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453.

The product of its digits is 35280, while the sum is 35.

The square root of 745667 is about 863.5201213637. The cubic root of 745667 is about 90.6807230826.

The spelling of 745667 in words is "seven hundred forty-five thousand, six hundred sixty-seven".