65727472 has 20 divisors (see below), whose sum is σ = 127771336. Its totient is φ = 32754240.

The previous prime is 65727463. The next prime is 65727481. The reversal of 65727472 is 27472756.

It is an interprime number because it is at equal distance from previous prime (65727463) and next prime (65727481).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779 + ... + 11602.

Almost surely, 2^65727472 is an apocalyptic number.

It is an amenable number.

65727472 is a deficient number, since it is larger than the sum of its proper divisors (62043864).

65727472 is a wasteful number, since it uses less digits than its factorization.

65727472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13696 (or 13690 counting only the distinct ones).

The product of its digits is 164640, while the sum is 40.

The square root of 65727472 is about 8107.2481151128. The cubic root of 65727472 is about 403.5669967837.

The spelling of 65727472 in words is "sixty-five million, seven hundred twenty-seven thousand, four hundred seventy-two".