72066959 has 2 divisors, whose sum is σ = 72066960. Its totient is φ = 72066958.

The previous prime is 72066931. The next prime is 72066977. The reversal of 72066959 is 95966027.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72066959 - 2²⁰ = 71018383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72066919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36033479 + 36033480.

It is an arithmetic number, because the mean of its divisors is an integer number (36033480).

Almost surely, 2^72066959 is an apocalyptic number.

72066959 is a deficient number, since it is larger than the sum of its proper divisors (1).

72066959 is an equidigital number, since it uses as much as digits as its factorization.

72066959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 72066959 is about 8489.2260542408. The cubic root of 72066959 is about 416.1456879240.

The spelling of 72066959 in words is "seventy-two million, sixty-six thousand, nine hundred fifty-nine".