180397072 has 10 divisors (see below), whose sum is σ = 349519358. Its totient is φ = 90198528.

The previous prime is 180397067. The next prime is 180397093. The reversal of 180397072 is 270793081.

It can be written as a sum of positive squares in only one way, i.e., 94945536 + 85451536 = 9744^2 + 9244^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5637393 + ... + 5637424.

Almost surely, 2^180397072 is an apocalyptic number.

It is an amenable number.

180397072 is a deficient number, since it is larger than the sum of its proper divisors (169122286).

180397072 is a wasteful number, since it uses less digits than its factorization.

180397072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11274825 (or 11274819 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 180397072 is about 13431.1977127879. The cubic root of 180397072 is about 565.0364891462.

The spelling of 180397072 in words is "one hundred eighty million, three hundred ninety-seven thousand, seventy-two".