65487736 has 8 divisors (see below), whose sum is σ = 122789520. Its totient is φ = 32743864.

The previous prime is 65487733. The next prime is 65487749. The reversal of 65487736 is 63778456.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65487731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4092976 + ... + 4092991.

It is an arithmetic number, because the mean of its divisors is an integer number (15348690).

Almost surely, 2^65487736 is an apocalyptic number.

It is an amenable number.

65487736 is a deficient number, since it is larger than the sum of its proper divisors (57301784).

65487736 is a wasteful number, since it uses less digits than its factorization.

65487736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185973 (or 8185969 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 65487736 is about 8092.4493201997. The cubic root of 65487736 is about 403.0757389559.

The spelling of 65487736 in words is "sixty-five million, four hundred eighty-seven thousand, seven hundred thirty-six".