65348992 has 64 divisors (see below), whose sum is σ = 137871360. Its totient is φ = 30804480.

The previous prime is 65348981. The next prime is 65349001. The reversal of 65348992 is 29984356.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170433 + ... + 170815.

It is an arithmetic number, because the mean of its divisors is an integer number (2154240).

Almost surely, 2^65348992 is an apocalyptic number.

65348992 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65348992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68935680).

65348992 is an abundant number, since it is smaller than the sum of its proper divisors (72522368).

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

65348992 is a wasteful number, since it uses less digits than its factorization.

65348992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 459 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 65348992 is about 8083.8723394175. The cubic root of 65348992 is about 402.7908821540.

The spelling of 65348992 in words is "sixty-five million, three hundred forty-eight thousand, nine hundred ninety-two".