70717095072 has 72 divisors (see below), whose sum is σ = 216571115124. Its totient is φ = 21759105024.

The previous prime is 70717095047. The next prime is 70717095079. The reversal of 70717095072 is 27059071707.

70717095072 is a `hidden beast` number, since 7 + 0 + 71 + 70 + 9 + 507 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 69930629136 + 786465936 = 264444^2 + 28044^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (70717095079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9440313 + ... + 9447800.

Almost surely, 2^70717095072 is an apocalyptic number.

70717095072 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70717095072 is an abundant number, since it is smaller than the sum of its proper divisors (145854020052).

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

70717095072 is a wasteful number, since it uses less digits than its factorization.

70717095072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18888142 (or 18888131 counting only the distinct ones).

The product of its (nonzero) digits is 216090, while the sum is 45.

The spelling of 70717095072 in words is "seventy billion, seven hundred seventeen million, ninety-five thousand, seventy-two".