65612328 has 32 divisors (see below), whose sum is σ = 164656800. Its totient is φ = 21787328.

The previous prime is 65612291. The next prime is 65612381. The reversal of 65612328 is 82321656.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375 + ... + 11537.

It is an arithmetic number, because the mean of its divisors is an integer number (5145525).

Almost surely, 2^65612328 is an apocalyptic number.

It is an amenable number.

65612328 is an abundant number, since it is smaller than the sum of its proper divisors (99044472).

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

65612328 is a wasteful number, since it uses less digits than its factorization.

65612328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10441 (or 10437 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 65612328 is about 8100.1437024290. The cubic root of 65612328 is about 403.3311974631.

The spelling of 65612328 in words is "sixty-five million, six hundred twelve thousand, three hundred twenty-eight".