72811027 has 2 divisors, whose sum is σ = 72811028. Its totient is φ = 72811026.

The previous prime is 72811007. The next prime is 72811049. The reversal of 72811027 is 72011827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72811027 - 2¹⁵ = 72778259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72810986 and 72811004.

It is not a weakly prime, because it can be changed into another prime (72811007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36405513 + 36405514.

It is an arithmetic number, because the mean of its divisors is an integer number (36405514).

Almost surely, 2^72811027 is an apocalyptic number.

72811027 is a deficient number, since it is larger than the sum of its proper divisors (1).

72811027 is an equidigital number, since it uses as much as digits as its factorization.

72811027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 72811027 is about 8532.9377707798. The cubic root of 72811027 is about 417.5729768330.

The spelling of 72811027 in words is "seventy-two million, eight hundred eleven thousand, twenty-seven".