740897 has 2 divisors, whose sum is σ = 740898. Its totient is φ = 740896.

The previous prime is 740893. The next prime is 740903. The reversal of 740897 is 798047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 712336 + 28561 = 844^2 + 169^2 .

It is a cyclic number.

It is not a de Polignac number, because 740897 - 2² = 740893 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (740891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370448 + 370449.

It is an arithmetic number, because the mean of its divisors is an integer number (370449).

2⁷⁴⁰⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

740897 is a deficient number, since it is larger than the sum of its proper divisors (1).

740897 is an equidigital number, since it uses as much as digits as its factorization.

740897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 740897 is about 860.7537394633. The cubic root of 740897 is about 90.4869490658.

It can be divided in two parts, 7 and 40897, that added together give a palindrome (40904).

The spelling of 740897 in words is "seven hundred forty thousand, eight hundred ninety-seven".