173400930 has 48 divisors (see below), whose sum is σ = 452832120. Its totient is φ = 46036224.

The previous prime is 173400923. The next prime is 173400937. The reversal of 173400930 is 39004371.

173400930 is a `hidden beast` number, since 173 + 400 + 93 + 0 = 666.

173400930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (173400923) and next prime (173400937).

It can be written as a sum of positive squares in 4 ways, for example, as 150332121 + 23068809 = 12261^2 + 4803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 173400894 and 173400903.

It is not an unprimeable number, because it can be changed into a prime (173400937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16836 + ... + 25104.

Almost surely, 2^173400930 is an apocalyptic number.

173400930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 173400930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226416060).

173400930 is an abundant number, since it is smaller than the sum of its proper divisors (279431190).

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

173400930 is a wasteful number, since it uses less digits than its factorization.

173400930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8515 (or 8512 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 173400930 is about 13168.1786895531. The cubic root of 173400930 is about 557.6355773679.

The spelling of 173400930 in words is "one hundred seventy-three million, four hundred thousand, nine hundred thirty".