72237667 has 2 divisors, whose sum is σ = 72237668. Its totient is φ = 72237666.

The previous prime is 72237647. The next prime is 72237691. The reversal of 72237667 is 76673227.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72237667 - 2¹¹ = 72235619 is a prime.

It is not a weakly prime, because it can be changed into another prime (72237617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36118833 + 36118834.

It is an arithmetic number, because the mean of its divisors is an integer number (36118834).

Almost surely, 2^72237667 is an apocalyptic number.

72237667 is a deficient number, since it is larger than the sum of its proper divisors (1).

72237667 is an equidigital number, since it uses as much as digits as its factorization.

72237667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 40.

The square root of 72237667 is about 8499.2744984499. The cubic root of 72237667 is about 416.4740093511.

The spelling of 72237667 in words is "seventy-two million, two hundred thirty-seven thousand, six hundred sixty-seven".