72444763 has 2 divisors, whose sum is σ = 72444764. Its totient is φ = 72444762.

The previous prime is 72444761. The next prime is 72444773. The reversal of 72444763 is 36744427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72444763 - 2¹ = 72444761 is a prime.

It is a super-2 number, since 2×72444763² = 10496487372252338, which contains 22 as substring.

Together with 72444761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (72444761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36222381 + 36222382.

It is an arithmetic number, because the mean of its divisors is an integer number (36222382).

Almost surely, 2^72444763 is an apocalyptic number.

72444763 is a deficient number, since it is larger than the sum of its proper divisors (1).

72444763 is an equidigital number, since it uses as much as digits as its factorization.

72444763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 37.

The square root of 72444763 is about 8511.4489365795. The cubic root of 72444763 is about 416.8716219053.

The spelling of 72444763 in words is "seventy-two million, four hundred forty-four thousand, seven hundred sixty-three".