70106838 has 16 divisors (see below), whose sum is σ = 141501360. Its totient is φ = 23154336.

The previous prime is 70106831. The next prime is 70106849. The reversal of 70106838 is 83860107.

It is a junction number, because it is equal to n+sod(n) for n = 70106799 and 70106808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70106831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52945 + ... + 54252.

It is an arithmetic number, because the mean of its divisors is an integer number (8843835).

Almost surely, 2^70106838 is an apocalyptic number.

70106838 is an abundant number, since it is smaller than the sum of its proper divisors (71394522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70106838 is a wasteful number, since it uses less digits than its factorization.

70106838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107311.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 70106838 is about 8372.9826226978. The cubic root of 70106838 is about 412.3380947713.

The spelling of 70106838 in words is "seventy million, one hundred six thousand, eight hundred thirty-eight".