746545 has 4 divisors (see below), whose sum is σ = 895860. Its totient is φ = 597232.

The previous prime is 746533. The next prime is 746561. The reversal of 746545 is 545647.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 274576 + 471969 = 524^2 + 687^2 .

It is a cyclic number.

It is not a de Polignac number, because 746545 - 2⁹ = 746033 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74650 + ... + 74659.

It is an arithmetic number, because the mean of its divisors is an integer number (223965).

2⁷⁴⁶⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

746545 is a deficient number, since it is larger than the sum of its proper divisors (149315).

746545 is a wasteful number, since it uses less digits than its factorization.

746545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149314.

The product of its digits is 16800, while the sum is 31.

The square root of 746545 is about 864.0283560162. The cubic root of 746545 is about 90.7163003783.

The spelling of 746545 in words is "seven hundred forty-six thousand, five hundred forty-five".