653320704 has 80 divisors (see below), whose sum is σ = 1816258752. Its totient is φ = 208293888.

The previous prime is 653320673. The next prime is 653320709. The reversal of 653320704 is 407023356.

It is not an unprimeable number, because it can be changed into a prime (653320709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26082 + ... + 44574.

Almost surely, 2^653320704 is an apocalyptic number.

653320704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653320704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (908129376).

653320704 is an abundant number, since it is smaller than the sum of its proper divisors (1162938048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653320704 is a wasteful number, since it uses less digits than its factorization.

653320704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18537 (or 18521 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 653320704 is about 25560.1389667584. The cubic root of 653320704 is about 867.7117407324.

The spelling of 653320704 in words is "six hundred fifty-three million, three hundred twenty thousand, seven hundred four".