65797494 has 48 divisors (see below), whose sum is σ = 161150400. Its totient is φ = 17808336.

The previous prime is 65797483. The next prime is 65797517. The reversal of 65797494 is 49479756.

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, 304 + ... + 11475.

It is an arithmetic number, because the mean of its divisors is an integer number (3357300).

Almost surely, 2^65797494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65797494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80575200).

65797494 is an abundant number, since it is smaller than the sum of its proper divisors (95352906).

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

65797494 is a wasteful number, since it uses less digits than its factorization.

65797494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11817 (or 11810 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The square root of 65797494 is about 8111.5654469406. The cubic root of 65797494 is about 403.7102577284.

The spelling of 65797494 in words is "sixty-five million, seven hundred ninety-seven thousand, four hundred ninety-four".