65147796 has 72 divisors (see below), whose sum is σ = 188959680. Its totient is φ = 18539136.

The previous prime is 65147783. The next prime is 65147813. The reversal of 65147796 is 69774156.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105280 + ... + 105896.

It is an arithmetic number, because the mean of its divisors is an integer number (2624440).

Almost surely, 2^65147796 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 65147796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94479840).

65147796 is an abundant number, since it is smaller than the sum of its proper divisors (123811884).

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

65147796 is a wasteful number, since it uses less digits than its factorization.

65147796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1048 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 65147796 is about 8071.4184626991. The cubic root of 65147796 is about 402.3770873233.

The spelling of 65147796 in words is "sixty-five million, one hundred forty-seven thousand, seven hundred ninety-six".