172061262 has 12 divisors (see below), whose sum is σ = 372799440. Its totient is φ = 57353748.

The previous prime is 172061257. The next prime is 172061273. The reversal of 172061262 is 262160271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4779462 + ... + 4779497.

It is an arithmetic number, because the mean of its divisors is an integer number (31066620).

Almost surely, 2^172061262 is an apocalyptic number.

172061262 is an abundant number, since it is smaller than the sum of its proper divisors (200738178).

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

172061262 is a wasteful number, since it uses less digits than its factorization.

172061262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9558967 (or 9558964 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 172061262 is about 13117.2124325254. The cubic root of 172061262 is about 556.1957952147.

Subtracting 172061262 from its reverse (262160271), we obtain a palindrome (90099009).

The spelling of 172061262 in words is "one hundred seventy-two million, sixty-one thousand, two hundred sixty-two".