70331047720 has 64 divisors (see below), whose sum is σ = 165212784000. Its totient is φ = 26894976768.

The previous prime is 70331047681. The next prime is 70331047741. The reversal of 70331047720 is 2774013307.

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, 1801366 + ... + 1839994.

It is an arithmetic number, because the mean of its divisors is an integer number (2581449750).

Almost surely, 2^70331047720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70331047720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82606392000).

70331047720 is an abundant number, since it is smaller than the sum of its proper divisors (94881736280).

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

70331047720 is a wasteful number, since it uses less digits than its factorization.

70331047720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40642 (or 40638 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 34.

The spelling of 70331047720 in words is "seventy billion, three hundred thirty-one million, forty-seven thousand, seven hundred twenty".