173472240 has 80 divisors (see below), whose sum is σ = 539572608. Its totient is φ = 46103808.

The previous prime is 173472239. The next prime is 173472263. The reversal of 173472240 is 42274371.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 173472198 and 173472207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82239 + ... + 84321.

Almost surely, 2^173472240 is an apocalyptic number.

173472240 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 173472240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269786304).

173472240 is an abundant number, since it is smaller than the sum of its proper divisors (366100368).

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

173472240 is a wasteful number, since it uses less digits than its factorization.

173472240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 173472240 is about 13170.8860749761. The cubic root of 173472240 is about 557.7120082214.

The spelling of 173472240 in words is "one hundred seventy-three million, four hundred seventy-two thousand, two hundred forty".