65371040 has 48 divisors (see below), whose sum is σ = 176504832. Its totient is φ = 22412544.

The previous prime is 65371021. The next prime is 65371079. The reversal of 65371040 is 4017356.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28064 + ... + 30303.

It is an arithmetic number, because the mean of its divisors is an integer number (3677184).

Almost surely, 2^65371040 is an apocalyptic number.

It is an amenable number.

65371040 is an abundant number, since it is smaller than the sum of its proper divisors (111133792).

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

65371040 is a wasteful number, since it uses less digits than its factorization.

65371040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58389 (or 58381 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 65371040 is about 8085.2359272936. The cubic root of 65371040 is about 402.8361760677.

Adding to 65371040 its reverse (4017356), we get a palindrome (69388396).

The spelling of 65371040 in words is "sixty-five million, three hundred seventy-one thousand, forty".