740197 has 4 divisors (see below), whose sum is σ = 783756. Its totient is φ = 696640.

The previous prime is 740191. The next prime is 740227. The reversal of 740197 is 791047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 312481 + 427716 = 559^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 740197 - 2³ = 740189 is a prime.

It is a Duffinian number.

740197 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740191) 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 3 ways as a sum of consecutive naturals, for example, 21754 + ... + 21787.

It is an arithmetic number, because the mean of its divisors is an integer number (195939).

2⁷⁴⁰¹⁹⁷ is an apocalyptic number.

It is an amenable number.

740197 is a deficient number, since it is larger than the sum of its proper divisors (43559).

740197 is a wasteful number, since it uses less digits than its factorization.

740197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43558.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 740197 is about 860.3470230087. The cubic root of 740197 is about 90.4584427089.

It can be divided in two parts, 7 and 40197, that added together give a palindrome (40204).

The spelling of 740197 in words is "seven hundred forty thousand, one hundred ninety-seven".