70955172 has 18 divisors (see below), whose sum is σ = 179358998. Its totient is φ = 23651712.

The previous prime is 70955167. The next prime is 70955173. The reversal of 70955172 is 27155907.

It can be written as a sum of positive squares in only one way, i.e., 62346816 + 8608356 = 7896^2 + 2934^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1970977 = 70955172 / (7 + 0 + 9 + 5 + 5 + 1 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (70955173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 985453 + ... + 985524.

Almost surely, 2^70955172 is an apocalyptic number.

It is an amenable number.

70955172 is an abundant number, since it is smaller than the sum of its proper divisors (108403826).

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

70955172 is a wasteful number, since it uses less digits than its factorization.

70955172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970987 (or 1970982 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 70955172 is about 8423.4893007589. The cubic root of 70955172 is about 413.9946089055.

The spelling of 70955172 in words is "seventy million, nine hundred fifty-five thousand, one hundred seventy-two".