746909 has 6 divisors (see below), whose sum is σ = 788670. Its totient is φ = 707256.

The previous prime is 746903. The next prime is 746939. The reversal of 746909 is 909647.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 521284 + 225625 = 722^2 + 475^2 .

It is not a de Polignac number, because 746909 - 2⁸ = 746653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (746903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674 + ... + 1395.

It is an arithmetic number, because the mean of its divisors is an integer number (131445).

2⁷⁴⁶⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

746909 is a deficient number, since it is larger than the sum of its proper divisors (41761).

746909 is a wasteful number, since it uses less digits than its factorization.

746909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107 (or 2088 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 746909 is about 864.2389715814. The cubic root of 746909 is about 90.7310417840.

The spelling of 746909 in words is "seven hundred forty-six thousand, nine hundred nine".