734491 has 6 divisors (see below), whose sum is σ = 750692. Its totient is φ = 718620.

The previous prime is 734479. The next prime is 734497. The reversal of 734491 is 194437.

It is a de Polignac number, because none of the positive numbers 2^k-734491 is a prime.

It is a Duffinian number.

734491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (734497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3376 + ... + 3586.

2⁷³⁴⁴⁹¹ is an apocalyptic number.

734491 is a deficient number, since it is larger than the sum of its proper divisors (16201).

734491 is an equidigital number, since it uses as much as digits as its factorization.

734491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 270 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 734491 is about 857.0245037337. The cubic root of 734491 is about 90.2254020947.

It can be divided in two parts, 734 and 491, that added together give a triangular number (1225 = T₄₉).

The spelling of 734491 in words is "seven hundred thirty-four thousand, four hundred ninety-one".