753664609 has 8 divisors (see below), whose sum is σ = 760301568. Its totient is φ = 747038880.

The previous prime is 753664573. The next prime is 753664631. The reversal of 753664609 is 906466357.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 753664609 - 2¹⁵ = 753631841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (753664669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186084 + ... + 190090.

It is an arithmetic number, because the mean of its divisors is an integer number (95037696).

Almost surely, 2^753664609 is an apocalyptic number.

It is an amenable number.

753664609 is a deficient number, since it is larger than the sum of its proper divisors (6636959).

753664609 is a wasteful number, since it uses less digits than its factorization.

753664609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615.

The product of its (nonzero) digits is 816480, while the sum is 46.

The square root of 753664609 is about 27452.9526463002. The cubic root of 753664609 is about 910.0376786717.

The spelling of 753664609 in words is "seven hundred fifty-three million, six hundred sixty-four thousand, six hundred nine".