65424642 has 8 divisors (see below), whose sum is σ = 130849296. Its totient is φ = 21808212.

The previous prime is 65424641. The next prime is 65424649. The reversal of 65424642 is 24642456.

It is a sphenic number, since it is the product of 3 distinct primes.

65424642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (65424641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5452048 + ... + 5452059.

It is an arithmetic number, because the mean of its divisors is an integer number (16356162).

Almost surely, 2^65424642 is an apocalyptic number.

65424642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65424642 is a wasteful number, since it uses less digits than its factorization.

65424642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10904112.

The product of its digits is 46080, while the sum is 33.

The square root of 65424642 is about 8088.5500554797. The cubic root of 65424642 is about 402.9462499149.

It can be divided in two parts, 65424 and 642, that added together give a palindrome (66066).

The spelling of 65424642 in words is "sixty-five million, four hundred twenty-four thousand, six hundred forty-two".