172274033 has 2 divisors, whose sum is σ = 172274034. Its totient is φ = 172274032.

The previous prime is 172274017. The next prime is 172274051. The reversal of 172274033 is 330472271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118222129 + 54051904 = 10873^2 + 7352^2 .

It is a cyclic number.

It is not a de Polignac number, because 172274033 - 2⁴ = 172274017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172273987 and 172274005.

It is not a weakly prime, because it can be changed into another prime (172274633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86137016 + 86137017.

It is an arithmetic number, because the mean of its divisors is an integer number (86137017).

Almost surely, 2^172274033 is an apocalyptic number.

It is an amenable number.

172274033 is a deficient number, since it is larger than the sum of its proper divisors (1).

172274033 is an equidigital number, since it uses as much as digits as its factorization.

172274033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 172274033 is about 13125.3203008536. The cubic root of 172274033 is about 556.4249647305.

The spelling of 172274033 in words is "one hundred seventy-two million, two hundred seventy-four thousand, thirty-three".