171742030 has 16 divisors (see below), whose sum is σ = 316676304. Its totient is φ = 67021120.

The previous prime is 171742027. The next prime is 171742057. The reversal of 171742030 is 30247171.

It is a happy number.

171742030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 171741986 and 171742004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209032 + ... + 209851.

It is an arithmetic number, because the mean of its divisors is an integer number (19792269).

Almost surely, 2^171742030 is an apocalyptic number.

171742030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

171742030 is a deficient number, since it is larger than the sum of its proper divisors (144934274).

171742030 is a wasteful number, since it uses less digits than its factorization.

171742030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418931.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 171742030 is about 13105.0383440874. The cubic root of 171742030 is about 555.8516049809.

The spelling of 171742030 in words is "one hundred seventy-one million, seven hundred forty-two thousand, thirty".