65790648 has 96 divisors (see below), whose sum is σ = 222168960. Its totient is φ = 17087040.

The previous prime is 65790643. The next prime is 65790653. The reversal of 65790648 is 84609756.

It is an interprime number because it is at equal distance from previous prime (65790643) and next prime (65790653).

It is a super-3 number, since 3×65790648³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65790643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390 + ... + 11477.

It is an arithmetic number, because the mean of its divisors is an integer number (2314260).

Almost surely, 2^65790648 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 65790648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111084480).

65790648 is an abundant number, since it is smaller than the sum of its proper divisors (156378312).

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

65790648 is a wasteful number, since it uses less digits than its factorization.

65790648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11897 (or 11890 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 65790648 is about 8111.1434459021. The cubic root of 65790648 is about 403.6962556942.

The spelling of 65790648 in words is "sixty-five million, seven hundred ninety thousand, six hundred forty-eight".