172672412 has 24 divisors (see below), whose sum is σ = 331106160. Its totient is φ = 78140160.

The previous prime is 172672373. The next prime is 172672429. The reversal of 172672412 is 214276271.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1508 + ... + 18644.

It is an arithmetic number, because the mean of its divisors is an integer number (13796090).

Almost surely, 2^172672412 is an apocalyptic number.

It is an amenable number.

172672412 is a deficient number, since it is larger than the sum of its proper divisors (158433748).

172672412 is a wasteful number, since it uses less digits than its factorization.

172672412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17381 (or 17379 counting only the distinct ones).

The product of its digits is 9408, while the sum is 32.

The square root of 172672412 is about 13140.4875099823. The cubic root of 172672412 is about 556.8535403923.

The spelling of 172672412 in words is "one hundred seventy-two million, six hundred seventy-two thousand, four hundred twelve".