72276983 has 2 divisors, whose sum is σ = 72276984. Its totient is φ = 72276982.

The previous prime is 72276959. The next prime is 72277067. The reversal of 72276983 is 38967227.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72276983 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 (72276943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36138491 + 36138492.

It is an arithmetic number, because the mean of its divisors is an integer number (36138492).

Almost surely, 2^72276983 is an apocalyptic number.

72276983 is a deficient number, since it is larger than the sum of its proper divisors (1).

72276983 is an equidigital number, since it uses as much as digits as its factorization.

72276983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 72276983 is about 8501.5870871267. The cubic root of 72276983 is about 416.5495522230.

The spelling of 72276983 in words is "seventy-two million, two hundred seventy-six thousand, nine hundred eighty-three".