172740300 has 72 divisors (see below), whose sum is σ = 504832272. Its totient is φ = 45600000.

The previous prime is 172740299. The next prime is 172740371. The reversal of 172740300 is 3047271.

It is a super-2 number, since 2×172740300² = 59678422488180000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27450 + ... + 33150.

Almost surely, 2^172740300 is an apocalyptic number.

172740300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172740300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252416136).

172740300 is an abundant number, since it is smaller than the sum of its proper divisors (332091972).

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

172740300 is a wasteful number, since it uses less digits than its factorization.

172740300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5819 (or 5812 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 172740300 is about 13143.0704175242. The cubic root of 172740300 is about 556.9265084661.

Adding to 172740300 its reverse (3047271), we get a palindrome (175787571).

The spelling of 172740300 in words is "one hundred seventy-two million, seven hundred forty thousand, three hundred".