172911334 has 16 divisors (see below), whose sum is σ = 264679488. Its totient is φ = 84690112.

The previous prime is 172911307. The next prime is 172911337. The reversal of 172911334 is 433119271.

It is a junction number, because it is equal to n+sod(n) for n = 172911296 and 172911305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172911337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115539 + ... + 117025.

It is an arithmetic number, because the mean of its divisors is an integer number (16542468).

Almost surely, 2^172911334 is an apocalyptic number.

172911334 is a deficient number, since it is larger than the sum of its proper divisors (91768154).

172911334 is a wasteful number, since it uses less digits than its factorization.

172911334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639.

The product of its digits is 4536, while the sum is 31.

The square root of 172911334 is about 13149.5754304084. The cubic root of 172911334 is about 557.1102562622.

The spelling of 172911334 in words is "one hundred seventy-two million, nine hundred eleven thousand, three hundred thirty-four".