70057252352 has 80 divisors (see below), whose sum is σ = 150939558000. Its totient is φ = 32375439360.

The previous prime is 70057252351. The next prime is 70057252357. The reversal of 70057252352 is 25325275007.

It is a super-2 number, since 2×70057252352² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70057252351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311024 + ... + 486672.

It is an arithmetic number, because the mean of its divisors is an integer number (1886744475).

Almost surely, 2^70057252352 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 70057252352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75469779000).

70057252352 is an abundant number, since it is smaller than the sum of its proper divisors (80882305648).

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

70057252352 is a wasteful number, since it uses less digits than its factorization.

70057252352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175727 (or 175711 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 38.

The spelling of 70057252352 in words is "seventy billion, fifty-seven million, two hundred fifty-two thousand, three hundred fifty-two".