70125567720 has 128 divisors (see below), whose sum is σ = 226698998400. Its totient is φ = 17251052544.

The previous prime is 70125567713. The next prime is 70125567727. The reversal of 70125567720 is 2776552107.

It is an interprime number because it is at equal distance from previous prime (70125567713) and next prime (70125567727).

It is not an unprimeable number, because it can be changed into a prime (70125567727) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2690511 + ... + 2716449.

It is an arithmetic number, because the mean of its divisors is an integer number (1771085925).

Almost surely, 2^70125567720 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 70125567720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113349499200).

70125567720 is an abundant number, since it is smaller than the sum of its proper divisors (156573430680).

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

70125567720 is a wasteful number, since it uses less digits than its factorization.

70125567720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27699 (or 27695 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 70125567720 in words is "seventy billion, one hundred twenty-five million, five hundred sixty-seven thousand, seven hundred twenty".