70439093680 has 40 divisors (see below), whose sum is σ = 172390417200. Its totient is φ = 26692708608.

The previous prime is 70439093671. The next prime is 70439093729. The reversal of 70439093680 is 8639093407.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 23169235 + ... + 23172274.

It is an arithmetic number, because the mean of its divisors is an integer number (4309760430).

Almost surely, 2^70439093680 is an apocalyptic number.

It is an amenable number.

70439093680 is an abundant number, since it is smaller than the sum of its proper divisors (101951323520).

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

70439093680 is a wasteful number, since it uses less digits than its factorization.

70439093680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46341541 (or 46341535 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 70439093680 in words is "seventy billion, four hundred thirty-nine million, ninety-three thousand, six hundred eighty".