70161273 has 24 divisors (see below), whose sum is σ = 124732608. Its totient is φ = 37007712.

The previous prime is 70161263. The next prime is 70161283. The reversal of 70161273 is 37216107.

It is an interprime number because it is at equal distance from previous prime (70161263) and next prime (70161283).

It is not a de Polignac number, because 70161273 - 2¹⁴ = 70144889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70161263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42015 + ... + 43652.

It is an arithmetic number, because the mean of its divisors is an integer number (5197192).

Almost surely, 2^70161273 is an apocalyptic number.

It is an amenable number.

70161273 is a deficient number, since it is larger than the sum of its proper divisors (54571335).

70161273 is a wasteful number, since it uses less digits than its factorization.

70161273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85693 (or 85690 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 70161273 is about 8376.2326257095. The cubic root of 70161273 is about 412.4447882027. Note that the first 3 decimals are identical.

The spelling of 70161273 in words is "seventy million, one hundred sixty-one thousand, two hundred seventy-three".