65650074 has 16 divisors (see below), whose sum is σ = 150057408. Its totient is φ = 18757152.

The previous prime is 65650069. The next prime is 65650097. The reversal of 65650074 is 47005656.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781507 + ... + 781590.

It is an arithmetic number, because the mean of its divisors is an integer number (9378588).

Almost surely, 2^65650074 is an apocalyptic number.

65650074 is an abundant number, since it is smaller than the sum of its proper divisors (84407334).

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

65650074 is a wasteful number, since it uses less digits than its factorization.

65650074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563109.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 65650074 is about 8102.4733260900. The cubic root of 65650074 is about 403.4085265329.

The spelling of 65650074 in words is "sixty-five million, six hundred fifty thousand, seventy-four".