70505773572 has 192 divisors, whose sum is σ = 188811786240. Its totient is φ = 20354855040.

The previous prime is 70505773561. The next prime is 70505773619. The reversal of 70505773572 is 27537750507.

It is a super-2 number, since 2×70505773572² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140170273 + ... + 140170775.

It is an arithmetic number, because the mean of its divisors is an integer number (983394720).

Almost surely, 2^70505773572 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 70505773572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94405893120).

70505773572 is an abundant number, since it is smaller than the sum of its proper divisors (118306012668).

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

70505773572 is a wasteful number, since it uses less digits than its factorization.

70505773572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 1800750, while the sum is 48.

The spelling of 70505773572 in words is "seventy billion, five hundred five million, seven hundred seventy-three thousand, five hundred seventy-two".