73161023 has 16 divisors (see below), whose sum is σ = 81715200. Its totient is φ = 65046240.

The previous prime is 73160993. The next prime is 73161029. The reversal of 73161023 is 32016137.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 73161023 - 2¹² = 73156927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73161023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73161029) 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, 152498 + ... + 152976.

It is an arithmetic number, because the mean of its divisors is an integer number (5107200).

Almost surely, 2^73161023 is an apocalyptic number.

73161023 is a deficient number, since it is larger than the sum of its proper divisors (8554177).

73161023 is a wasteful number, since it uses less digits than its factorization.

73161023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 73161023 is about 8553.4217129755. The cubic root of 73161023 is about 418.2409860901.

The spelling of 73161023 in words is "seventy-three million, one hundred sixty-one thousand, twenty-three".