1742431 has 8 divisors (see below), whose sum is σ = 1799424. Its totient is φ = 1686360.

The previous prime is 1742423. The next prime is 1742443. The reversal of 1742431 is 1342471.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1742431 - 2³ = 1742423 is a prime.

It is a super-2 number, since 2×1742431² = 6072131579522, which contains 22 as substring.

It is a Duffinian 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6016 + ... + 6298.

It is an arithmetic number, because the mean of its divisors is an integer number (224928).

2^1742431 is an apocalyptic number.

1742431 is a deficient number, since it is larger than the sum of its proper divisors (56993).

1742431 is a wasteful number, since it uses less digits than its factorization.

1742431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its digits is 672, while the sum is 22.

The square root of 1742431 is about 1320.0117423720. The cubic root of 1742431 is about 120.3331252996. Note that the first 3 decimals are identical.

The spelling of 1742431 in words is "one million, seven hundred forty-two thousand, four hundred thirty-one".