746809 has 6 divisors (see below), whose sum is σ = 868794. Its totient is φ = 640080.

The previous prime is 746807. The next prime is 746813. The reversal of 746809 is 908647.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 41209 = 840^2 + 203^2 .

It is not a de Polignac number, because 746809 - 2¹ = 746807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746807) 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 5 ways as a sum of consecutive naturals, for example, 7572 + ... + 7669.

It is an arithmetic number, because the mean of its divisors is an integer number (144799).

2⁷⁴⁶⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

746809 is a deficient number, since it is larger than the sum of its proper divisors (121985).

746809 is a wasteful number, since it uses less digits than its factorization.

746809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15255 (or 15248 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 746809 is about 864.1811152762. The cubic root of 746809 is about 90.7269924245.

The spelling of 746809 in words is "seven hundred forty-six thousand, eight hundred nine".