65342644 has 6 divisors (see below), whose sum is σ = 114349634. Its totient is φ = 32671320.

The previous prime is 65342633. The next prime is 65342647. The reversal of 65342644 is 44624356.

65342644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37675044 + 27667600 = 6138^2 + 5260^2 .

It is a super-2 number, since 2×65342644² = 8539322249821472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65342647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8167827 + ... + 8167834.

Almost surely, 2^65342644 is an apocalyptic number.

It is an amenable number.

65342644 is a deficient number, since it is larger than the sum of its proper divisors (49006990).

65342644 is a wasteful number, since it uses less digits than its factorization.

65342644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16335665 (or 16335663 counting only the distinct ones).

The product of its digits is 69120, while the sum is 34.

The square root of 65342644 is about 8083.4796962694. The cubic root of 65342644 is about 402.7778393651. Note that the first 3 decimals are identical.

The spelling of 65342644 in words is "sixty-five million, three hundred forty-two thousand, six hundred forty-four".