172948033 has 4 divisors (see below), whose sum is σ = 173504448. Its totient is φ = 172391620.

The previous prime is 172948031. The next prime is 172948043. The reversal of 172948033 is 330849271.

172948033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 172948033 - 2¹ = 172948031 is a prime.

It is a super-2 number, since 2×172948033² = 59822044237138178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 172947983 and 172948001.

It is not an unprimeable number, because it can be changed into a prime (172948031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277741 + ... + 278362.

It is an arithmetic number, because the mean of its divisors is an integer number (43376112).

Almost surely, 2^172948033 is an apocalyptic number.

It is an amenable number.

172948033 is a deficient number, since it is larger than the sum of its proper divisors (556415).

172948033 is an equidigital number, since it uses as much as digits as its factorization.

172948033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556414.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 172948033 is about 13150.9708006672. The cubic root of 172948033 is about 557.1496674882.

The spelling of 172948033 in words is "one hundred seventy-two million, nine hundred forty-eight thousand, thirty-three".