65240634 has 16 divisors (see below), whose sum is σ = 131166720. Its totient is φ = 21632640.

The previous prime is 65240621. The next prime is 65240639. The reversal of 65240634 is 43604256.

It is not an unprimeable number, because it can be changed into a prime (65240639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27319 + ... + 29610.

It is an arithmetic number, because the mean of its divisors is an integer number (8197920).

Almost surely, 2^65240634 is an apocalyptic number.

65240634 is an abundant number, since it is smaller than the sum of its proper divisors (65926086).

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

65240634 is a wasteful number, since it uses less digits than its factorization.

65240634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57125.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 65240634 is about 8077.1674490504. The cubic root of 65240634 is about 402.5681306426.

The spelling of 65240634 in words is "sixty-five million, two hundred forty thousand, six hundred thirty-four".