1742020 has 48 divisors (see below), whose sum is σ = 4370688. Its totient is φ = 570240.

The previous prime is 1742017. The next prime is 1742021. The reversal of 1742020 is 202471.

It is a junction number, because it is equal to n+sod(n) for n = 1741985 and 1742003.

It is not an unprimeable number, because it can be changed into a prime (1742021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2950 + ... + 3490.

It is an arithmetic number, because the mean of its divisors is an integer number (91056).

2^1742020 is an apocalyptic number.

1742020 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 1742020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2185344).

1742020 is an abundant number, since it is smaller than the sum of its proper divisors (2628668).

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

1742020 is a wasteful number, since it uses less digits than its factorization.

1742020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1742020 is about 1319.8560527573. The cubic root of 1742020 is about 120.3236632696.

Adding to 1742020 its reverse (202471), we get a palindrome (1944491).

The spelling of 1742020 in words is "one million, seven hundred forty-two thousand, twenty".