70129673 has 2 divisors, whose sum is σ = 70129674. Its totient is φ = 70129672.

The previous prime is 70129667. The next prime is 70129679. The reversal of 70129673 is 37692107.

It is a balanced prime because it is at equal distance from previous prime (70129667) and next prime (70129679).

It can be written as a sum of positive squares in only one way, i.e., 51093904 + 19035769 = 7148^2 + 4363^2 .

It is an emirp because it is prime and its reverse (37692107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70129673 - 2⁸ = 70129417 is a prime.

It is not a weakly prime, because it can be changed into another prime (70129679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35064836 + 35064837.

It is an arithmetic number, because the mean of its divisors is an integer number (35064837).

Almost surely, 2^70129673 is an apocalyptic number.

It is an amenable number.

70129673 is a deficient number, since it is larger than the sum of its proper divisors (1).

70129673 is an equidigital number, since it uses as much as digits as its factorization.

70129673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 70129673 is about 8374.3461237281. The cubic root of 70129673 is about 412.3828584423.

The spelling of 70129673 in words is "seventy million, one hundred twenty-nine thousand, six hundred seventy-three".