70829121 has 16 divisors (see below), whose sum is σ = 107504640. Its totient is φ = 41059920.

The previous prime is 70829111. The next prime is 70829159. The reversal of 70829121 is 12192807.

It is not a de Polignac number, because 70829121 - 2⁷ = 70828993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70829111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45901 + ... + 47418.

It is an arithmetic number, because the mean of its divisors is an integer number (6719040).

Almost surely, 2^70829121 is an apocalyptic number.

It is an amenable number.

70829121 is a deficient number, since it is larger than the sum of its proper divisors (36675519).

70829121 is a wasteful number, since it uses less digits than its factorization.

70829121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93356.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 70829121 is about 8416.0038616911. The cubic root of 70829121 is about 413.7493114631.

The spelling of 70829121 in words is "seventy million, eight hundred twenty-nine thousand, one hundred twenty-one".