70172953 has 8 divisors (see below), whose sum is σ = 72694080. Its totient is φ = 67658640.

The previous prime is 70172951. The next prime is 70172981. The reversal of 70172953 is 35927107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70172953 - 2¹ = 70172951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70172951) 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 7 ways as a sum of consecutive naturals, for example, 28726 + ... + 31072.

It is an arithmetic number, because the mean of its divisors is an integer number (9086760).

Almost surely, 2^70172953 is an apocalyptic number.

It is an amenable number.

70172953 is a deficient number, since it is larger than the sum of its proper divisors (2521127).

70172953 is a wasteful number, since it uses less digits than its factorization.

70172953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 70172953 is about 8376.9298075130. The cubic root of 70172953 is about 412.4676739896.

The spelling of 70172953 in words is "seventy million, one hundred seventy-two thousand, nine hundred fifty-three".