77272067 has 2 divisors, whose sum is σ = 77272068. Its totient is φ = 77272066.

The previous prime is 77272061. The next prime is 77272073. The reversal of 77272067 is 76027277.

It is a balanced prime because it is at equal distance from previous prime (77272061) and next prime (77272073).

It is a cyclic number.

It is not a de Polignac number, because 77272067 - 2²⁰ = 76223491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77272067.

It is not a weakly prime, because it can be changed into another prime (77272061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38636033 + 38636034.

It is an arithmetic number, because the mean of its divisors is an integer number (38636034).

Almost surely, 2^77272067 is an apocalyptic number.

77272067 is a deficient number, since it is larger than the sum of its proper divisors (1).

77272067 is an equidigital number, since it uses as much as digits as its factorization.

77272067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57624, while the sum is 38.

The square root of 77272067 is about 8790.4531737562. The cubic root of 77272067 is about 425.9325625945.

The spelling of 77272067 in words is "seventy-seven million, two hundred seventy-two thousand, sixty-seven".