1073709 has 64 divisors (see below), whose sum is σ = 2150400. Its totient is φ = 513216.

The previous prime is 1073687. The next prime is 1073711. The reversal of 1073709 is 9073701.

It is not a de Polignac number, because 1073709 - 2¹¹ = 1071661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073729) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 46672 + ... + 46694.

It is an arithmetic number, because the mean of its divisors is an integer number (33600).

2^1073709 is an apocalyptic number.

1073709 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1073709 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1073709 is a wasteful number, since it uses less digits than its factorization.

1073709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 1073709 is about 1036.1993051532. The cubic root of 1073709 is about 102.3989565425.

The spelling of 1073709 in words is "one million, seventy-three thousand, seven hundred nine".