72615167 has 2 divisors, whose sum is σ = 72615168. Its totient is φ = 72615166.

The previous prime is 72615161. The next prime is 72615173. The reversal of 72615167 is 76151627.

It is a balanced prime because it is at equal distance from previous prime (72615161) and next prime (72615173).

It is an emirp because it is prime and its reverse (76151627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72615167 - 2¹⁸ = 72353023 is a prime.

It is a zygodrome in base 6.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72615161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36307583 + 36307584.

It is an arithmetic number, because the mean of its divisors is an integer number (36307584).

Almost surely, 2^72615167 is an apocalyptic number.

72615167 is a deficient number, since it is larger than the sum of its proper divisors (1).

72615167 is an equidigital number, since it uses as much as digits as its factorization.

72615167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 35.

The square root of 72615167 is about 8521.4533384863. The cubic root of 72615167 is about 417.1982200119.

The spelling of 72615167 in words is "seventy-two million, six hundred fifteen thousand, one hundred sixty-seven".