172274036 has 48 divisors (see below), whose sum is σ = 344736000. Its totient is φ = 74605440.

The previous prime is 172274033. The next prime is 172274051. The reversal of 172274036 is 630472271.

It is a junction number, because it is equal to n+sod(n) for n = 172273993 and 172274011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172274033) 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, 99950 + ... + 101658.

It is an arithmetic number, because the mean of its divisors is an integer number (7182000).

Almost surely, 2^172274036 is an apocalyptic number.

It is an amenable number.

172274036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

172274036 is a wasteful number, since it uses less digits than its factorization.

172274036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832 (or 1830 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 172274036 is about 13125.3204151365. The cubic root of 172274036 is about 556.4249679604.

The spelling of 172274036 in words is "one hundred seventy-two million, two hundred seventy-four thousand, thirty-six".