70725995370 has 128 divisors (see below), whose sum is σ = 193235328000. Its totient is φ = 18398124864.

The previous prime is 70725995359. The next prime is 70725995399. The reversal of 70725995370 is 7359952707.

70725995370 is a `hidden beast` number, since 70 + 72 + 59 + 95 + 370 = 666.

It is a super-2 number, since 2×70725995370² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 10248181 + ... + 10255079.

It is an arithmetic number, because the mean of its divisors is an integer number (1509651000).

Almost surely, 2^70725995370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70725995370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96617664000).

70725995370 is an abundant number, since it is smaller than the sum of its proper divisors (122509332630).

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

70725995370 is a wasteful number, since it uses less digits than its factorization.

70725995370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7841 (or 7835 counting only the distinct ones).

The product of its (nonzero) digits is 4167450, while the sum is 54.

The spelling of 70725995370 in words is "seventy billion, seven hundred twenty-five million, nine hundred ninety-five thousand, three hundred seventy".