172741932225744 has 160 divisors (see below), whose sum is σ = 522160278841344. Its totient is φ = 48179354549760.

The previous prime is 172741932225739. The next prime is 172741932225809. The reversal of 172741932225744 is 447522239147271.

It is a congruent number.

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, 21720277 + ... + 28587659.

Almost surely, 2^{172741932225744} is an apocalyptic number.

172741932225744 is a gapful number since it is divisible by the number (14) 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 172741932225744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261080139420672).

172741932225744 is an abundant number, since it is smaller than the sum of its proper divisors (349418346615600).

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

172741932225744 is a wasteful number, since it uses less digits than its factorization.

172741932225744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869185 (or 6869179 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 60.

The spelling of 172741932225744 in words is "one hundred seventy-two trillion, seven hundred forty-one billion, nine hundred thirty-two million, two hundred twenty-five thousand, seven hundred forty-four".