70730827776 has 480 divisors, whose sum is σ = 255722987520. Its totient is φ = 19014746112.

The previous prime is 70730827771. The next prime is 70730827807. The reversal of 70730827776 is 67772803707.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70730827771) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19738881 + ... + 19742463.

It is an arithmetic number, because the mean of its divisors is an integer number (532756224).

Almost surely, 2^70730827776 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 70730827776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127861493760).

70730827776 is an abundant number, since it is smaller than the sum of its proper divisors (184992159744).

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

70730827776 is a wasteful number, since it uses less digits than its factorization.

70730827776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641 (or 3612 counting only the distinct ones).

The product of its (nonzero) digits is 4840416, while the sum is 54.

The spelling of 70730827776 in words is "seventy billion, seven hundred thirty million, eight hundred twenty-seven thousand, seven hundred seventy-six".