1742430 has 24 divisors (see below), whose sum is σ = 4199256. Its totient is φ = 462720.

The previous prime is 1742423. The next prime is 1742443. The reversal of 1742430 is 342471.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1742397 and 1742406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7110 + ... + 7350.

It is an arithmetic number, because the mean of its divisors is an integer number (174969).

2^1742430 is an apocalyptic number.

1742430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1742430 is an abundant number, since it is smaller than the sum of its proper divisors (2456826).

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

1742430 is an equidigital number, since it uses as much as digits as its factorization.

1742430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1742430 is about 1320.0113635875. The cubic root of 1742430 is about 120.3331022795. Note that the first 3 decimals are identical.

The spelling of 1742430 in words is "one million, seven hundred forty-two thousand, four hundred thirty".