64735986 has 16 divisors (see below), whose sum is σ = 147968064. Its totient is φ = 18495984.

The previous prime is 64735901. The next prime is 64735999. The reversal of 64735986 is 68953746.

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, 770625 + ... + 770708.

It is an arithmetic number, because the mean of its divisors is an integer number (9248004).

Almost surely, 2^64735986 is an apocalyptic number.

64735986 is an abundant number, since it is smaller than the sum of its proper divisors (83232078).

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

64735986 is a wasteful number, since it uses less digits than its factorization.

64735986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541345.

The product of its digits is 1088640, while the sum is 48.

The square root of 64735986 is about 8045.8676350037. The cubic root of 64735986 is about 401.5274638773.

The spelling of 64735986 in words is "sixty-four million, seven hundred thirty-five thousand, nine hundred eighty-six".