65943072 has 240 divisors, whose sum is σ = 221981760. Its totient is φ = 19035648.

The previous prime is 65943067. The next prime is 65943083. The reversal of 65943072 is 27034956.

65943072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 39 ways as a sum of consecutive naturals, for example, 640173 + ... + 640275.

It is an arithmetic number, because the mean of its divisors is an integer number (924924).

Almost surely, 2^65943072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65943072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110990880).

65943072 is an abundant number, since it is smaller than the sum of its proper divisors (156038688).

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

65943072 is a wasteful number, since it uses less digits than its factorization.

65943072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 65943072 is about 8120.5339725907. The cubic root of 65943072 is about 404.0077768656.

The spelling of 65943072 in words is "sixty-five million, nine hundred forty-three thousand, seventy-two".