10715409 has 20 divisors (see below), whose sum is σ = 16099776. Its totient is φ = 7102296.

The previous prime is 10715387. The next prime is 10715417. The reversal of 10715409 is 90451701.

It is not a de Polignac number, because 10715409 - 2⁷ = 10715281 is a prime.

It is a super-2 number, since 2×10715409² = 229639980074562, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (10715479) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21052 + ... + 21554.

Almost surely, 2^10715409 is an apocalyptic number.

It is an amenable number.

10715409 is a deficient number, since it is larger than the sum of its proper divisors (5384367).

10715409 is an equidigital number, since it uses as much as digits as its factorization.

10715409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 10715409 is about 3273.4399337700. The cubic root of 10715409 is about 220.4632730723.

The spelling of 10715409 in words is "ten million, seven hundred fifteen thousand, four hundred nine".