65299842 has 12 divisors (see below), whose sum is σ = 141483030. Its totient is φ = 21766608.

The previous prime is 65299841. The next prime is 65299849. The reversal of 65299842 is 24899256.

It can be written as a sum of positive squares in only one way, i.e., 59582961 + 5716881 = 7719^2 + 2391^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (65299841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1813867 + ... + 1813902.

Almost surely, 2^65299842 is an apocalyptic number.

65299842 is an abundant number, since it is smaller than the sum of its proper divisors (76183188).

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

65299842 is a wasteful number, since it uses less digits than its factorization.

65299842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627777 (or 3627774 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 65299842 is about 8080.8317641193. The cubic root of 65299842 is about 402.6898750505.

The spelling of 65299842 in words is "sixty-five million, two hundred ninety-nine thousand, eight hundred forty-two".