200764642 has 8 divisors (see below), whose sum is σ = 324312156. Its totient is φ = 92660592.

The previous prime is 200764607. The next prime is 200764661. The reversal of 200764642 is 246467002.

It can be written as a sum of positive squares in 2 ways, for example, as 199346161 + 1418481 = 14119^2 + 1191^2 .

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

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, 3860833 + ... + 3860884.

Almost surely, 2^200764642 is an apocalyptic number.

200764642 is a deficient number, since it is larger than the sum of its proper divisors (123547514).

200764642 is a wasteful number, since it uses less digits than its factorization.

200764642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7721732.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 200764642 is about 14169.1440108427. The cubic root of 200764642 is about 585.5478754636.

The spelling of 200764642 in words is "two hundred million, seven hundred sixty-four thousand, six hundred forty-two".