65411072 has 72 divisors (see below), whose sum is σ = 141113700. Its totient is φ = 30228480.

The previous prime is 65411069. The next prime is 65411083. The reversal of 65411072 is 27011456.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1595372 + ... + 1595412.

Almost surely, 2^65411072 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 65411072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70556850).

65411072 is an abundant number, since it is smaller than the sum of its proper divisors (75702628).

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

65411072 is an equidigital number, since it uses as much as digits as its factorization.

65411072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 65411072 is about 8087.7111718953. The cubic root of 65411072 is about 402.9183890634.

The spelling of 65411072 in words is "sixty-five million, four hundred eleven thousand, seventy-two".