70129075 has 6 divisors (see below), whose sum is σ = 86960084. Its totient is φ = 56103240.

The previous prime is 70129069. The next prime is 70129091. The reversal of 70129075 is 57092107.

It is not a de Polignac number, because 70129075 - 2¹⁷ = 69998003 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1402557 + ... + 1402606.

Almost surely, 2^70129075 is an apocalyptic number.

70129075 is a deficient number, since it is larger than the sum of its proper divisors (16831009).

70129075 is a wasteful number, since it uses less digits than its factorization.

70129075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805173 (or 2805168 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 70129075 is about 8374.3104193719. The cubic root of 70129075 is about 412.3816863010.

The spelling of 70129075 in words is "seventy million, one hundred twenty-nine thousand, seventy-five".