65307642 has 24 divisors (see below), whose sum is σ = 138754176. Its totient is φ = 20488128.

The previous prime is 65307611. The next prime is 65307643. The reversal of 65307642 is 24670356.

It is not an unprimeable number, because it can be changed into a prime (65307643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17098 + ... + 20565.

It is an arithmetic number, because the mean of its divisors is an integer number (5781424).

Almost surely, 2^65307642 is an apocalyptic number.

65307642 is an abundant number, since it is smaller than the sum of its proper divisors (73446534).

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

65307642 is a wasteful number, since it uses less digits than its factorization.

65307642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37702 (or 37685 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 65307642 is about 8081.3143732935. The cubic root of 65307642 is about 402.7059080448.

Adding to 65307642 its reverse (24670356), we get a palindrome (89977998).

The spelling of 65307642 in words is "sixty-five million, three hundred seven thousand, six hundred forty-two".