1742424 has 32 divisors (see below), whose sum is σ = 4416000. Its totient is φ = 572832.

The previous prime is 1742423. The next prime is 1742443. The reversal of 1742424 is 4242471.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1742394 and 1742403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1437 + ... + 2355.

It is an arithmetic number, because the mean of its divisors is an integer number (138000).

2^1742424 is an apocalyptic number.

It is an amenable number.

1742424 is an abundant number, since it is smaller than the sum of its proper divisors (2673576).

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

1742424 is a wasteful number, since it uses less digits than its factorization.

1742424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1003 counting only the distinct ones).

The product of its digits is 1792, while the sum is 24.

The square root of 1742424 is about 1320.0090908778. The cubic root of 1742424 is about 120.3329641583.

Subtracting from 1742424 its sum of digits (24), we obtain a square (1742400 = 1320²).

Adding to 1742424 its reverse (4242471), we get a palindrome (5984895).

The spelling of 1742424 in words is "one million, seven hundred forty-two thousand, four hundred twenty-four".