65376220 has 96 divisors (see below), whose sum is σ = 178996608. Its totient is φ = 19464192.

The previous prime is 65376209. The next prime is 65376221. The reversal of 65376220 is 2267356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65376221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29884 + ... + 31996.

It is an arithmetic number, because the mean of its divisors is an integer number (1864548).

Almost surely, 2^65376220 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 65376220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89498304).

65376220 is an abundant number, since it is smaller than the sum of its proper divisors (113620388).

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

65376220 is a wasteful number, since it uses less digits than its factorization.

65376220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 65376220 is about 8085.5562579207. The cubic root of 65376220 is about 402.8468160303.

The spelling of 65376220 in words is "sixty-five million, three hundred seventy-six thousand, two hundred twenty".