65448620 has 12 divisors (see below), whose sum is σ = 137442144. Its totient is φ = 26179440.

The previous prime is 65448619. The next prime is 65448629. The reversal of 65448620 is 2684456.

65448620 is nontrivially palindromic in base 15.

It is not an unprimeable number, because it can be changed into a prime (65448629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636196 + ... + 1636235.

It is an arithmetic number, because the mean of its divisors is an integer number (11453512).

Almost surely, 2^65448620 is an apocalyptic number.

It is an amenable number.

65448620 is an abundant number, since it is smaller than the sum of its proper divisors (71993524).

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

65448620 is a wasteful number, since it uses less digits than its factorization.

65448620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272440 (or 3272438 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 65448620 is about 8090.0321383787. The cubic root of 65448620 is about 402.9954702330.

The spelling of 65448620 in words is "sixty-five million, four hundred forty-eight thousand, six hundred twenty".