200745664 has 28 divisors (see below), whose sum is σ = 455263504. Its totient is φ = 86033664.

The previous prime is 200745647. The next prime is 200745703. The reversal of 200745664 is 466547002.

200745664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×200745664² = 80597643229601792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223599 + ... + 224494.

Almost surely, 2^200745664 is an apocalyptic number.

It is an amenable number.

200745664 is an abundant number, since it is smaller than the sum of its proper divisors (254517840).

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

200745664 is an equidigital number, since it uses as much as digits as its factorization.

200745664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448112 (or 448102 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 200745664 is about 14168.4743003613. The cubic root of 200745664 is about 585.5294245424.

The spelling of 200745664 in words is "two hundred million, seven hundred forty-five thousand, six hundred sixty-four".