70106899 has 4 divisors (see below), whose sum is σ = 71737336. Its totient is φ = 68476464.

The previous prime is 70106893. The next prime is 70106917. The reversal of 70106899 is 99860107.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70106899 - 2⁵ = 70106867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70106893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815154 + ... + 815239.

It is an arithmetic number, because the mean of its divisors is an integer number (17934334).

Almost surely, 2^70106899 is an apocalyptic number.

70106899 is a deficient number, since it is larger than the sum of its proper divisors (1630437).

70106899 is a wasteful number, since it uses less digits than its factorization.

70106899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630436.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 70106899 is about 8372.9862653655. The cubic root of 70106899 is about 412.3382143631.

The spelling of 70106899 in words is "seventy million, one hundred six thousand, eight hundred ninety-nine".