65672305 has 8 divisors (see below), whose sum is σ = 79804800. Its totient is φ = 51872496.

The previous prime is 65672297. The next prime is 65672311. The reversal of 65672305 is 50327656.

65672305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 65672305 - 2³ = 65672297 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 82735 + ... + 83524.

It is an arithmetic number, because the mean of its divisors is an integer number (9975600).

Almost surely, 2^65672305 is an apocalyptic number.

It is an amenable number.

65672305 is a deficient number, since it is larger than the sum of its proper divisors (14132495).

65672305 is a wasteful number, since it uses less digits than its factorization.

65672305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166343.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 65672305 is about 8103.8450750246. The cubic root of 65672305 is about 403.4540566306.

The spelling of 65672305 in words is "sixty-five million, six hundred seventy-two thousand, three hundred five".