653404730 has 16 divisors (see below), whose sum is σ = 1283049504. Its totient is φ = 237601680.

The previous prime is 653404727. The next prime is 653404777. The reversal of 653404730 is 37404356.

653404730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2969912 + ... + 2970131.

It is an arithmetic number, because the mean of its divisors is an integer number (80190594).

Almost surely, 2^653404730 is an apocalyptic number.

653404730 is a deficient number, since it is larger than the sum of its proper divisors (629644774).

653404730 is a wasteful number, since it uses less digits than its factorization.

653404730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940061.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 653404730 is about 25561.7826060703. The cubic root of 653404730 is about 867.7489390133.

The spelling of 653404730 in words is "six hundred fifty-three million, four hundred four thousand, seven hundred thirty".