172464005 has 32 divisors (see below), whose sum is σ = 254803968. Its totient is φ = 109454400.

The previous prime is 172463987. The next prime is 172464077. The reversal of 172464005 is 500464271.

172464005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172464005 - 2¹⁴ = 172447621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21500 + ... + 28410.

It is an arithmetic number, because the mean of its divisors is an integer number (7962624).

Almost surely, 2^172464005 is an apocalyptic number.

It is an amenable number.

172464005 is a deficient number, since it is larger than the sum of its proper divisors (82339963).

172464005 is a wasteful number, since it uses less digits than its factorization.

172464005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6977.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 172464005 is about 13132.5551588409. Note that the first 3 decimals coincide. The cubic root of 172464005 is about 556.6294187052.

The spelling of 172464005 in words is "one hundred seventy-two million, four hundred sixty-four thousand, five".