172877342 has 16 divisors (see below), whose sum is σ = 283900032. Its totient is φ = 78300120.

The previous prime is 172877321. The next prime is 172877351. The reversal of 172877342 is 243778271.

It is a self number, because there is not a number n which added to its sum of digits gives 172877342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7658 + ... + 20109.

It is an arithmetic number, because the mean of its divisors is an integer number (17743752).

Almost surely, 2^172877342 is an apocalyptic number.

172877342 is a deficient number, since it is larger than the sum of its proper divisors (111022690).

172877342 is a wasteful number, since it uses less digits than its factorization.

172877342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28063.

The product of its digits is 131712, while the sum is 41.

The square root of 172877342 is about 13148.2828536657. The cubic root of 172877342 is about 557.0737471210.

The spelling of 172877342 in words is "one hundred seventy-two million, eight hundred seventy-seven thousand, three hundred forty-two".