172053700 has 216 divisors, whose sum is σ = 486942792. Its totient is φ = 52254720.

The previous prime is 172053647. The next prime is 172053701. The reversal of 172053700 is 7350271.

It can be written as a sum of positive squares in 12 ways, for example, as 35070084 + 136983616 = 5922^2 + 11704^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (172053701) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2356864 + ... + 2356936.

Almost surely, 2^172053700 is an apocalyptic number.

172053700 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 172053700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243471396).

172053700 is an abundant number, since it is smaller than the sum of its proper divisors (314889092).

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

172053700 is a wasteful number, since it uses less digits than its factorization.

172053700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 172053700 is about 13116.9241821397. The cubic root of 172053700 is about 556.1876469265.

The spelling of 172053700 in words is "one hundred seventy-two million, fifty-three thousand, seven hundred".