172474334372 has 12 divisors (see below), whose sum is σ = 307524992796. Its totient is φ = 84610050720.

The previous prime is 172474334371. The next prime is 172474334423. The reversal of 172474334372 is 273433474271.

It can be written as a sum of positive squares in 2 ways, for example, as 89176293376 + 83298040996 = 298624^2 + 288614^2 .

It is not an unprimeable number, because it can be changed into a prime (172474334371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406778879 + ... + 406779302.

It is an arithmetic number, because the mean of its divisors is an integer number (25627082733).

Almost surely, 2^172474334372 is an apocalyptic number.

It is an amenable number.

172474334372 is a deficient number, since it is larger than the sum of its proper divisors (135050658424).

172474334372 is a wasteful number, since it uses less digits than its factorization.

172474334372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813558238 (or 813558236 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 47.

The spelling of 172474334372 in words is "one hundred seventy-two billion, four hundred seventy-four million, three hundred thirty-four thousand, three hundred seventy-two".