200074639 has 2 divisors, whose sum is σ = 200074640. Its totient is φ = 200074638.

The previous prime is 200074621. The next prime is 200074669. The reversal of 200074639 is 936470002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200074639 - 2¹⁵ = 200041871 is a prime.

It is a super-2 number, since 2×200074639² = 80059722341960642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200074639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200074619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100037319 + 100037320.

It is an arithmetic number, because the mean of its divisors is an integer number (100037320).

Almost surely, 2^200074639 is an apocalyptic number.

200074639 is a deficient number, since it is larger than the sum of its proper divisors (1).

200074639 is an equidigital number, since it uses as much as digits as its factorization.

200074639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 200074639 is about 14144.7742647241. The cubic root of 200074639 is about 584.8762871813.

The spelling of 200074639 in words is "two hundred million, seventy-four thousand, six hundred thirty-nine".