65648748 has 24 divisors (see below), whose sum is σ = 167106240. Its totient is φ = 19893520.

The previous prime is 65648741. The next prime is 65648753. The reversal of 65648748 is 84784656.

It is a super-2 number, since 2×65648748² = 8619516227935008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65648697 and 65648706.

It is not an unprimeable number, because it can be changed into a prime (65648741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248538 + ... + 248801.

It is an arithmetic number, because the mean of its divisors is an integer number (6962760).

Almost surely, 2^65648748 is an apocalyptic number.

It is an amenable number.

65648748 is an abundant number, since it is smaller than the sum of its proper divisors (101457492).

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

65648748 is a wasteful number, since it uses less digits than its factorization.

65648748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497357 (or 497355 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 65648748 is about 8102.3914988107. The cubic root of 65648748 is about 403.4058104999.

The spelling of 65648748 in words is "sixty-five million, six hundred forty-eight thousand, seven hundred forty-eight".