5402709 has 24 divisors (see below), whose sum is σ = 8553272. Its totient is φ = 3265920.

The previous prime is 5402701. The next prime is 5402737. The reversal of 5402709 is 9072045.

It can be written as a sum of positive squares in 4 ways, for example, as 11025 + 5391684 = 105^2 + 2322^2 .

It is not a de Polignac number, because 5402709 - 2³ = 5402701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5402701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6759 + ... + 7515.

Almost surely, 2^5402709 is an apocalyptic number.

It is an amenable number.

5402709 is a deficient number, since it is larger than the sum of its proper divisors (3150563).

5402709 is a wasteful number, since it uses less digits than its factorization.

5402709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 5402709 is about 2324.3728186330. The cubic root of 5402709 is about 175.4703970329.

It can be divided in two parts, 540 and 2709, that added together give a square (3249 = 57²).

The spelling of 5402709 in words is "five million, four hundred two thousand, seven hundred nine".