372161273 has 6 divisors (see below), whose sum is σ = 409069962. Its totient is φ = 338328320.

The previous prime is 372161269. The next prime is 372161287.

372161273 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 371834089 + 327184 = 19283^2 + 572^2 .

It is not a de Polignac number, because 372161273 - 2² = 372161269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (372161213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1537736 + ... + 1537977.

It is an arithmetic number, because the mean of its divisors is an integer number (68178327).

Almost surely, 2^372161273 is an apocalyptic number.

It is an amenable number.

372161273 is a deficient number, since it is larger than the sum of its proper divisors (36908689).

372161273 is a wasteful number, since it uses less digits than its factorization.

372161273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075735 (or 3075724 counting only the distinct ones).

The product of its digits is 10584, while the sum is 32.

The square root of 372161273 is about 19291.4818767248. The cubic root of 372161273 is about 719.3005508019.

The spelling of 372161273 in words is "three hundred seventy-two million, one hundred sixty-one thousand, two hundred seventy-three".