172738482 has 64 divisors (see below), whose sum is σ = 408443904. Its totient is φ = 47678400.

The previous prime is 172738457. The next prime is 172738493. The reversal of 172738482 is 284837271.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 181933 + ... + 182879.

It is an arithmetic number, because the mean of its divisors is an integer number (6381936).

Almost surely, 2^172738482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172738482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204221952).

172738482 is an abundant number, since it is smaller than the sum of its proper divisors (235705422).

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

172738482 is a wasteful number, since it uses less digits than its factorization.

172738482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103.

The product of its digits is 150528, while the sum is 42.

The square root of 172738482 is about 13143.0012554211. The cubic root of 172738482 is about 556.9245546739.

The spelling of 172738482 in words is "one hundred seventy-two million, seven hundred thirty-eight thousand, four hundred eighty-two".