740342 has 8 divisors (see below), whose sum is σ = 1146432. Its totient is φ = 358200.

The previous prime is 740329. The next prime is 740351. The reversal of 740342 is 243047.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5909 + ... + 6032.

It is an arithmetic number, because the mean of its divisors is an integer number (143304).

2⁷⁴⁰³⁴² is an apocalyptic number.

740342 is a deficient number, since it is larger than the sum of its proper divisors (406090).

740342 is a wasteful number, since it uses less digits than its factorization.

740342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11974.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 740342 is about 860.4312872043. The cubic root of 740342 is about 90.4643490724.

Adding to 740342 its reverse (243047), we get a palindrome (983389).

The spelling of 740342 in words is "seven hundred forty thousand, three hundred forty-two", and thus it is an iban number.