172061276 has 6 divisors (see below), whose sum is σ = 301107240. Its totient is φ = 86030636.

The previous prime is 172061273. The next prime is 172061303. The reversal of 172061276 is 672160271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172061273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21507656 + ... + 21507663.

It is an arithmetic number, because the mean of its divisors is an integer number (50184540).

Almost surely, 2^172061276 is an apocalyptic number.

It is an amenable number.

172061276 is a deficient number, since it is larger than the sum of its proper divisors (129045964).

172061276 is a wasteful number, since it uses less digits than its factorization.

172061276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43015323 (or 43015321 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 172061276 is about 13117.2129661754. The cubic root of 172061276 is about 556.1958102999.

The spelling of 172061276 in words is "one hundred seventy-two million, sixty-one thousand, two hundred seventy-six".