70331047721 has 8 divisors (see below), whose sum is σ = 77010004800. Its totient is φ = 63699628240.

The previous prime is 70331047681. The next prime is 70331047741. The reversal of 70331047721 is 12774013307.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70331047721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70331047741) 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, 11881301 + ... + 11887218.

It is an arithmetic number, because the mean of its divisors is an integer number (9626250600).

Almost surely, 2^70331047721 is an apocalyptic number.

It is an amenable number.

70331047721 is a deficient number, since it is larger than the sum of its proper divisors (6678957079).

70331047721 is a wasteful number, since it uses less digits than its factorization.

70331047721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23768799.

The product of its (nonzero) digits is 24696, while the sum is 35.

The spelling of 70331047721 in words is "seventy billion, three hundred thirty-one million, forty-seven thousand, seven hundred twenty-one".