70720532848 has 160 divisors (see below), whose sum is σ = 173513180160. Its totient is φ = 27207290880.

The previous prime is 70720532837. The next prime is 70720532851. The reversal of 70720532848 is 84823502707.

It is a super-2 number, since 2×70720532848² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 70720532798 and 70720532807.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16595038 + ... + 16599298.

It is an arithmetic number, because the mean of its divisors is an integer number (1084457376).

Almost surely, 2^70720532848 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 70720532848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86756590080).

70720532848 is an abundant number, since it is smaller than the sum of its proper divisors (102792647312).

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

70720532848 is a wasteful number, since it uses less digits than its factorization.

70720532848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4695 (or 4689 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 70720532848 in words is "seventy billion, seven hundred twenty million, five hundred thirty-two thousand, eight hundred forty-eight".