276972071 has 2 divisors, whose sum is σ = 276972072. Its totient is φ = 276972070.

The previous prime is 276972061. The next prime is 276972089. The reversal of 276972071 is 170279672.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-276972071 is a prime.

It is a super-2 number, since 2×276972071² = 153427056228058082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (276972061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138486035 + 138486036.

It is an arithmetic number, because the mean of its divisors is an integer number (138486036).

Almost surely, 2^276972071 is an apocalyptic number.

276972071 is a deficient number, since it is larger than the sum of its proper divisors (1).

276972071 is an equidigital number, since it uses as much as digits as its factorization.

276972071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 276972071 is about 16642.4779104555. The cubic root of 276972071 is about 651.8464821982.

The spelling of 276972071 in words is "two hundred seventy-six million, nine hundred seventy-two thousand, seventy-one".