1670377073 has 2 divisors, whose sum is σ = 1670377074. Its totient is φ = 1670377072.

The previous prime is 1670377043. The next prime is 1670377117. The reversal of 1670377073 is 3707730761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1618291984 + 52085089 = 40228^2 + 7217^2 .

It is a cyclic number.

It is not a de Polignac number, because 1670377073 - 2¹⁶ = 1670311537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1670377073.

It is not a weakly prime, because it can be changed into another prime (1670377013) 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, 835188536 + 835188537.

It is an arithmetic number, because the mean of its divisors is an integer number (835188537).

Almost surely, 2^1670377073 is an apocalyptic number.

It is an amenable number.

1670377073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670377073 is an equidigital number, since it uses as much as digits as its factorization.

1670377073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129654, while the sum is 41.

The square root of 1670377073 is about 40870.2467939698. The cubic root of 1670377073 is about 1186.5102840238.

The spelling of 1670377073 in words is "one billion, six hundred seventy million, three hundred seventy-seven thousand, seventy-three".