1672766971 has 2 divisors, whose sum is σ = 1672766972. Its totient is φ = 1672766970.

The previous prime is 1672766923. The next prime is 1672766981. The reversal of 1672766971 is 1796672761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1672766971 - 2¹¹ = 1672764923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1672766981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836383485 + 836383486.

It is an arithmetic number, because the mean of its divisors is an integer number (836383486).

Almost surely, 2^1672766971 is an apocalyptic number.

1672766971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672766971 is an equidigital number, since it uses as much as digits as its factorization.

1672766971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1333584, while the sum is 52.

The square root of 1672766971 is about 40899.4739697224. The cubic root of 1672766971 is about 1187.0758823165.

The spelling of 1672766971 in words is "one billion, six hundred seventy-two million, seven hundred sixty-six thousand, nine hundred seventy-one".