173942420 has 24 divisors (see below), whose sum is σ = 365936424. Its totient is φ = 69451776.

The previous prime is 173942413. The next prime is 173942467. The reversal of 173942420 is 24249371.

It can be written as a sum of positive squares in 4 ways, for example, as 66031876 + 107910544 = 8126^2 + 10388^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4004 + ... + 19076.

It is an arithmetic number, because the mean of its divisors is an integer number (15247351).

Almost surely, 2^173942420 is an apocalyptic number.

173942420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173942420 is an abundant number, since it is smaller than the sum of its proper divisors (191994004).

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

173942420 is a wasteful number, since it uses less digits than its factorization.

173942420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15659 (or 15657 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 173942420 is about 13188.7232134123. The cubic root of 173942420 is about 558.2154287805.

The spelling of 173942420 in words is "one hundred seventy-three million, nine hundred forty-two thousand, four hundred twenty".