172466400 has 72 divisors (see below), whose sum is σ = 561385944. Its totient is φ = 45990400.

The previous prime is 172466389. The next prime is 172466407. The reversal of 172466400 is 4664271.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172466407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33531 + ... + 38330.

It is an arithmetic number, because the mean of its divisors is an integer number (7797027).

Almost surely, 2^172466400 is an apocalyptic number.

172466400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172466400 is an abundant number, since it is smaller than the sum of its proper divisors (388919544).

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

172466400 is a wasteful number, since it uses less digits than its factorization.

172466400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71884 (or 71871 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 172466400 is about 13132.6463441303. The cubic root of 172466400 is about 556.6319953227.

The spelling of 172466400 in words is "one hundred seventy-two million, four hundred sixty-six thousand, four hundred".