64272084 has 12 divisors (see below), whose sum is σ = 149968224. Its totient is φ = 21424024.

The previous prime is 64272059. The next prime is 64272107. The reversal of 64272084 is 48027246.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 2677992 + ... + 2678015.

It is an arithmetic number, because the mean of its divisors is an integer number (12497352).

Almost surely, 2^64272084 is an apocalyptic number.

It is an amenable number.

64272084 is an abundant number, since it is smaller than the sum of its proper divisors (85696140).

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

64272084 is a wasteful number, since it uses less digits than its factorization.

64272084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356014 (or 5356012 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 64272084 is about 8016.9872146586. The cubic root of 64272084 is about 400.5660402848.

The spelling of 64272084 in words is "sixty-four million, two hundred seventy-two thousand, eighty-four".