172842036 has 48 divisors (see below), whose sum is σ = 411640320. Its totient is φ = 56430720.

The previous prime is 172842023. The next prime is 172842037. The reversal of 172842036 is 630248271.

It is a junction number, because it is equal to n+sod(n) for n = 172841988 and 172842006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172842037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284445 + ... + 285051.

It is an arithmetic number, because the mean of its divisors is an integer number (8575840).

Almost surely, 2^172842036 is an apocalyptic number.

It is an amenable number.

172842036 is an abundant number, since it is smaller than the sum of its proper divisors (238798284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172842036 is a wasteful number, since it uses less digits than its factorization.

172842036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 172842036 is about 13146.9401763300. The cubic root of 172842036 is about 557.0358216097.

The spelling of 172842036 in words is "one hundred seventy-two million, eight hundred forty-two thousand, thirty-six".