746905 has 4 divisors (see below), whose sum is σ = 896292. Its totient is φ = 597520.

The previous prime is 746903. The next prime is 746939. The reversal of 746905 is 509647.

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 541696 + 205209 = 736^2 + 453^2 .

It is not a de Polignac number, because 746905 - 2¹ = 746903 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 Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746903) 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, 74686 + ... + 74695.

It is an arithmetic number, because the mean of its divisors is an integer number (224073).

2⁷⁴⁶⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

746905 is a deficient number, since it is larger than the sum of its proper divisors (149387).

746905 is a wasteful number, since it uses less digits than its factorization.

746905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149386.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 746905 is about 864.2366574035. The cubic root of 746905 is about 90.7308798165.

The spelling of 746905 in words is "seven hundred forty-six thousand, nine hundred five".