70070138 has 16 divisors (see below), whose sum is σ = 112993920. Its totient is φ = 32484096.

The previous prime is 70070129. The next prime is 70070159. The reversal of 70070138 is 83107007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17831 + ... + 21402.

It is an arithmetic number, because the mean of its divisors is an integer number (7062120).

Almost surely, 2^70070138 is an apocalyptic number.

70070138 is a deficient number, since it is larger than the sum of its proper divisors (42923782).

70070138 is a wasteful number, since it uses less digits than its factorization.

70070138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39301.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 70070138 is about 8370.7907631239. The cubic root of 70070138 is about 412.2661310376.

The spelling of 70070138 in words is "seventy million, seventy thousand, one hundred thirty-eight".