172273036 has 96 divisors (see below), whose sum is σ = 370016640. Its totient is φ = 69341184.

The previous prime is 172273027. The next prime is 172273039. The reversal of 172273036 is 630372271.

It is a junction number, because it is equal to n+sod(n) for n = 172272989 and 172273007.

It is not an unprimeable number, because it can be changed into a prime (172273039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 752170 + ... + 752398.

It is an arithmetic number, because the mean of its divisors is an integer number (3854340).

Almost surely, 2^172273036 is an apocalyptic number.

It is an amenable number.

172273036 is an abundant number, since it is smaller than the sum of its proper divisors (197743604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172273036 is a wasteful number, since it uses less digits than its factorization.

172273036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 172273036 is about 13125.2823207731. The cubic root of 172273036 is about 556.4238913306.

The spelling of 172273036 in words is "one hundred seventy-two million, two hundred seventy-three thousand, thirty-six".