70071478438 has 32 divisors (see below), whose sum is σ = 115877051136. Its totient is φ = 31574315808.

The previous prime is 70071478403. The next prime is 70071478459. The reversal of 70071478438 is 83487417007.

It is a junction number, because it is equal to n+sod(n) for n = 70071478391 and 70071478400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2695981 + ... + 2721847.

It is an arithmetic number, because the mean of its divisors is an integer number (3621157848).

Almost surely, 2^70071478438 is an apocalyptic number.

70071478438 is a deficient number, since it is larger than the sum of its proper divisors (45805572698).

70071478438 is a wasteful number, since it uses less digits than its factorization.

70071478438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28348.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 70071478438 in words is "seventy billion, seventy-one million, four hundred seventy-eight thousand, four hundred thirty-eight".