65672933 has 2 divisors, whose sum is σ = 65672934. Its totient is φ = 65672932.

The previous prime is 65672923. The next prime is 65672983. The reversal of 65672933 is 33927656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55323844 + 10349089 = 7438^2 + 3217^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65672933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65672923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32836466 + 32836467.

It is an arithmetic number, because the mean of its divisors is an integer number (32836467).

Almost surely, 2^65672933 is an apocalyptic number.

It is an amenable number.

65672933 is a deficient number, since it is larger than the sum of its proper divisors (1).

65672933 is an equidigital number, since it uses as much as digits as its factorization.

65672933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 41.

The square root of 65672933 is about 8103.8838219708. The cubic root of 65672933 is about 403.4553426539.

The spelling of 65672933 in words is "sixty-five million, six hundred seventy-two thousand, nine hundred thirty-three".