72880963 has 2 divisors, whose sum is σ = 72880964. Its totient is φ = 72880962.

The previous prime is 72880961. The next prime is 72880967. The reversal of 72880963 is 36908827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72880963 - 2¹ = 72880961 is a prime.

Together with 72880961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72880961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36440481 + 36440482.

It is an arithmetic number, because the mean of its divisors is an integer number (36440482).

Almost surely, 2^72880963 is an apocalyptic number.

72880963 is a deficient number, since it is larger than the sum of its proper divisors (1).

72880963 is an equidigital number, since it uses as much as digits as its factorization.

72880963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 72880963 is about 8537.0347896679. The cubic root of 72880963 is about 417.7066289267.

The spelling of 72880963 in words is "seventy-two million, eight hundred eighty thousand, nine hundred sixty-three".