168670073 has 16 divisors (see below), whose sum is σ = 209817216. Its totient is φ = 133213440.

The previous prime is 168670069. The next prime is 168670079. The reversal of 168670073 is 370076861.

It is a cyclic number.

It is not a de Polignac number, because 168670073 - 2² = 168670069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168670079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32261 + ... + 37122.

It is an arithmetic number, because the mean of its divisors is an integer number (13113576).

Almost surely, 2^168670073 is an apocalyptic number.

168670073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

168670073 is a deficient number, since it is larger than the sum of its proper divisors (41147143).

168670073 is a wasteful number, since it uses less digits than its factorization.

168670073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69424.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 168670073 is about 12987.3043007392. The cubic root of 168670073 is about 552.5174655112.

The spelling of 168670073 in words is "one hundred sixty-eight million, six hundred seventy thousand, seventy-three".