172710049 has 4 divisors (see below), whose sum is σ = 172820736. Its totient is φ = 172599364.

The previous prime is 172710029. The next prime is 172710053. The reversal of 172710049 is 940017271.

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, and also an emirpimes, since its reverse is a distinct semiprime: 940017271 = 8867 ⋅106013.

It is a cyclic number.

It is not a de Polignac number, because 172710049 - 2⁵ = 172710017 is a prime.

It is a super-2 number, since 2×172710049² = 59657522051164802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172710049.

It is not an unprimeable number, because it can be changed into a prime (172710029) 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, 52969 + ... + 56134.

It is an arithmetic number, because the mean of its divisors is an integer number (43205184).

Almost surely, 2^172710049 is an apocalyptic number.

It is an amenable number.

172710049 is a deficient number, since it is larger than the sum of its proper divisors (110687).

172710049 is a wasteful number, since it uses less digits than its factorization.

172710049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110686.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 172710049 is about 13141.9195325493. The cubic root of 172710049 is about 556.8939961391.

The spelling of 172710049 in words is "one hundred seventy-two million, seven hundred ten thousand, forty-nine".