65076644 has 24 divisors (see below), whose sum is σ = 115630200. Its totient is φ = 32043776.

The previous prime is 65076617. The next prime is 65076659. The reversal of 65076644 is 44667056.

It can be written as a sum of positive squares in 4 ways, for example, as 2856100 + 62220544 = 1690^2 + 7888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65076598 and 65076607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81254 + ... + 82050.

It is an arithmetic number, because the mean of its divisors is an integer number (4817925).

Almost surely, 2^65076644 is an apocalyptic number.

It is an amenable number.

65076644 is a deficient number, since it is larger than the sum of its proper divisors (50553556).

65076644 is a wasteful number, since it uses less digits than its factorization.

65076644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 65076644 is about 8067.0096070353. The cubic root of 65076644 is about 402.2305468648.

The spelling of 65076644 in words is "sixty-five million, seventy-six thousand, six hundred forty-four".