70250571720 has 192 divisors, whose sum is σ = 261925297920. Its totient is φ = 15996068352.

The previous prime is 70250571683. The next prime is 70250571749. The reversal of 70250571720 is 2717505207.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 609762 + ... + 715758.

It is an arithmetic number, because the mean of its divisors is an integer number (1364194260).

Almost surely, 2^70250571720 is an apocalyptic number.

70250571720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70250571720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130962648960).

70250571720 is an abundant number, since it is smaller than the sum of its proper divisors (191674726200).

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

70250571720 is a wasteful number, since it uses less digits than its factorization.

70250571720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106284 (or 106277 counting only the distinct ones).

The product of its (nonzero) digits is 34300, while the sum is 36.

The spelling of 70250571720 in words is "seventy billion, two hundred fifty million, five hundred seventy-one thousand, seven hundred twenty".