72570167 has 2 divisors, whose sum is σ = 72570168. Its totient is φ = 72570166.

The previous prime is 72570143. The next prime is 72570181. The reversal of 72570167 is 76107527.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72570167 - 2¹⁰ = 72569143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72570107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36285083 + 36285084.

It is an arithmetic number, because the mean of its divisors is an integer number (36285084).

Almost surely, 2^72570167 is an apocalyptic number.

72570167 is a deficient number, since it is larger than the sum of its proper divisors (1).

72570167 is an equidigital number, since it uses as much as digits as its factorization.

72570167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 72570167 is about 8518.8125346201. The cubic root of 72570167 is about 417.1120222284.

The spelling of 72570167 in words is "seventy-two million, five hundred seventy thousand, one hundred sixty-seven".