70107129 has 9 divisors (see below), whose sum is σ = 101302149. Its totient is φ = 46721340.

The previous prime is 70107109. The next prime is 70107143. The reversal of 70107129 is 92170107.

The square root of 70107129 is 8373.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 70107129 - 2⁵ = 70107097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70107109) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23724 + ... + 26514.

Almost surely, 2^70107129 is an apocalyptic number.

70107129 is the 8373-rd square number.

70107129 is the 4187-th centered octagonal number.

It is an amenable number.

70107129 is a deficient number, since it is larger than the sum of its proper divisors (31195020).

70107129 is an frugal number, since it uses more digits than its factorization.

70107129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588 (or 2794 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The cubic root of 70107129 is about 412.3386652825.

The spelling of 70107129 in words is "seventy million, one hundred seven thousand, one hundred twenty-nine".