1730142 has 24 divisors (see below), whose sum is σ = 3773016. Its totient is φ = 572976.

The previous prime is 1730119. The next prime is 1730147. The reversal of 1730142 is 2410371.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1730147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4813 + ... + 5159.

It is an arithmetic number, because the mean of its divisors is an integer number (157209).

2^1730142 is an apocalyptic number.

1730142 is an abundant number, since it is smaller than the sum of its proper divisors (2042874).

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

1730142 is a wasteful number, since it uses less digits than its factorization.

1730142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1730142 is about 1315.3486229894. The cubic root of 1730142 is about 120.0495628599.

The spelling of 1730142 in words is "one million, seven hundred thirty thousand, one hundred forty-two".