172065348 has 144 divisors (see below), whose sum is σ = 545965056. Its totient is φ = 44478720.

The previous prime is 172065337. The next prime is 172065353. The reversal of 172065348 is 843560271.

It is a super-2 number, since 2×172065348² = 59212967964722208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173133 + ... + 174123.

It is an arithmetic number, because the mean of its divisors is an integer number (3791424).

Almost surely, 2^172065348 is an apocalyptic number.

172065348 is a gapful number since it is divisible by the number (18) 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 172065348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272982528).

172065348 is an abundant number, since it is smaller than the sum of its proper divisors (373899708).

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

172065348 is a wasteful number, since it uses less digits than its factorization.

172065348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 172065348 is about 13117.3681811559. The cubic root of 172065348 is about 556.2001979063.

The spelling of 172065348 in words is "one hundred seventy-two million, sixty-five thousand, three hundred forty-eight".