1742406 has 16 divisors (see below), whose sum is σ = 3510000. Its totient is φ = 576608.

The previous prime is 1742401. The next prime is 1742413. The reversal of 1742406 is 6042471.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742401) 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, 81 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (219375).

2^1742406 is an apocalyptic number.

1742406 is an abundant number, since it is smaller than the sum of its proper divisors (1767594).

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

1742406 is a wasteful number, since it uses less digits than its factorization.

1742406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1742406 is about 1320.0022727253. The cubic root of 1742406 is about 120.3325497929.

Adding to 1742406 its reverse (6042471), we get a palindrome (7784877).

The spelling of 1742406 in words is "one million, seven hundred forty-two thousand, four hundred six".