65556073 has 8 divisors (see below), whose sum is σ = 71574336. Its totient is φ = 59547600.

The previous prime is 65556067. The next prime is 65556077. The reversal of 65556073 is 37065556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65556073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65556077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24940 + ... + 27442.

It is an arithmetic number, because the mean of its divisors is an integer number (8946792).

Almost surely, 2^65556073 is an apocalyptic number.

It is an amenable number.

65556073 is a deficient number, since it is larger than the sum of its proper divisors (6018263).

65556073 is a wasteful number, since it uses less digits than its factorization.

65556073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895.

The product of its (nonzero) digits is 94500, while the sum is 37.

The square root of 65556073 is about 8096.6704885403. The cubic root of 65556073 is about 403.2158945172.

The spelling of 65556073 in words is "sixty-five million, five hundred fifty-six thousand, seventy-three".