7650009 has 12 divisors (see below), whose sum is σ = 11349156. Its totient is φ = 4961952.

The previous prime is 7649977. The next prime is 7650011. The reversal of 7650009 is 9000567.

7650009 is a `hidden beast` number, since 7 + 650 + 0 + 0 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5745609 + 1904400 = 2397^2 + 1380^2 .

It is not a de Polignac number, because 7650009 - 2⁵ = 7649977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7651009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11154 + ... + 11819.

It is an arithmetic number, because the mean of its divisors is an integer number (945763).

Almost surely, 2^7650009 is an apocalyptic number.

It is an amenable number.

7650009 is a deficient number, since it is larger than the sum of its proper divisors (3699147).

7650009 is a wasteful number, since it uses less digits than its factorization.

7650009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23016 (or 23013 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 7650009 is about 2765.8649641658. The cubic root of 7650009 is about 197.0398108966.

The spelling of 7650009 in words is "seven million, six hundred fifty thousand, nine".