172463929 has 12 divisors (see below), whose sum is σ = 199864368. Its totient is φ = 147560000.

The previous prime is 172463911. The next prime is 172463971. The reversal of 172463929 is 929364271.

It is not a de Polignac number, because 172463929 - 2¹⁹ = 171939641 is a prime.

It is a super-2 number, since 2×172463929² = 59487613612234082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172461929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23947 + ... + 30304.

It is an arithmetic number, because the mean of its divisors is an integer number (16655364).

Almost surely, 2^172463929 is an apocalyptic number.

It is an amenable number.

172463929 is a deficient number, since it is larger than the sum of its proper divisors (27400439).

172463929 is a wasteful number, since it uses less digits than its factorization.

172463929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54296 (or 54279 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 172463929 is about 13132.5522652682. The cubic root of 172463929 is about 556.6293369416.

The spelling of 172463929 in words is "one hundred seventy-two million, four hundred sixty-three thousand, nine hundred twenty-nine".