72744699067 has 2 divisors, whose sum is σ = 72744699068. Its totient is φ = 72744699066.

The previous prime is 72744699061. The next prime is 72744699089. The reversal of 72744699067 is 76099644727.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72744699067 - 2¹⁵ = 72744666299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72744698996 and 72744699014.

It is not a weakly prime, because it can be changed into another prime (72744699061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36372349533 + 36372349534.

It is an arithmetic number, because the mean of its divisors is an integer number (36372349534).

Almost surely, 2^72744699067 is an apocalyptic number.

72744699067 is a deficient number, since it is larger than the sum of its proper divisors (1).

72744699067 is an equidigital number, since it uses as much as digits as its factorization.

72744699067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32006016, while the sum is 61.

The spelling of 72744699067 in words is "seventy-two billion, seven hundred forty-four million, six hundred ninety-nine thousand, sixty-seven".