172628496 has 50 divisors (see below), whose sum is σ = 499640702. Its totient is φ = 57542400.

The previous prime is 172628461. The next prime is 172628507. The reversal of 172628496 is 694826271.

It is a happy number.

172628496 is a `hidden beast` number, since 17 + 2 + 628 + 4 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 159668496 + 12960000 = 12636^2 + 3600^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 65305 + ... + 67896.

Almost surely, 2^172628496 is an apocalyptic number.

172628496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172628496 is an abundant number, since it is smaller than the sum of its proper divisors (327012206).

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

172628496 is a wasteful number, since it uses less digits than its factorization.

172628496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133221 (or 133206 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 172628496 is about 13138.8163850478. The cubic root of 172628496 is about 556.8063279602.

The spelling of 172628496 in words is "one hundred seventy-two million, six hundred twenty-eight thousand, four hundred ninety-six".