65579872 has 36 divisors (see below), whose sum is σ = 131056380. Its totient is φ = 32302016.

The previous prime is 65579861. The next prime is 65579903. The reversal of 65579872 is 27897556.

65579872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×65579872² = 8601439223072768, which contains 22 as substring.

Its product of digits (1058400) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 366279 + ... + 366457.

It is an arithmetic number, because the mean of its divisors is an integer number (3640455).

Almost surely, 2^65579872 is an apocalyptic number.

It is an amenable number.

65579872 is a deficient number, since it is larger than the sum of its proper divisors (65476508).

65579872 is a wasteful number, since it uses less digits than its factorization.

65579872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 288 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The square root of 65579872 is about 8098.1400333657. The cubic root of 65579872 is about 403.2646821358.

The spelling of 65579872 in words is "sixty-five million, five hundred seventy-nine thousand, eight hundred seventy-two".