740297 has 8 divisors (see below), whose sum is σ = 796800. Its totient is φ = 685584.

The previous prime is 740287. The next prime is 740303. The reversal of 740297 is 792047.

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

It is a cyclic number.

It is not a de Polignac number, because 740297 - 2⁸ = 740041 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (740227) 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 7 ways as a sum of consecutive naturals, for example, 479 + ... + 1307.

It is an arithmetic number, because the mean of its divisors is an integer number (99600).

2⁷⁴⁰²⁹⁷ is an apocalyptic number.

It is an amenable number.

740297 is a deficient number, since it is larger than the sum of its proper divisors (56503).

740297 is a wasteful number, since it uses less digits than its factorization.

740297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 740297 is about 860.4051371302. The cubic root of 740297 is about 90.4625161456.

It can be divided in two parts, 7 and 40297, that added together give a palindrome (40304).

The spelling of 740297 in words is "seven hundred forty thousand, two hundred ninety-seven".