70139370078 has 12 divisors (see below), whose sum is σ = 151968635208. Its totient is φ = 23379790020.

The previous prime is 70139370061. The next prime is 70139370107. The reversal of 70139370078 is 87007393107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1948315818 + ... + 1948315853.

It is an arithmetic number, because the mean of its divisors is an integer number (12664052934).

Almost surely, 2^70139370078 is an apocalyptic number.

70139370078 is an abundant number, since it is smaller than the sum of its proper divisors (81829265130).

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

70139370078 is a wasteful number, since it uses less digits than its factorization.

70139370078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896631679 (or 3896631676 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The spelling of 70139370078 in words is "seventy billion, one hundred thirty-nine million, three hundred seventy thousand, seventy-eight".