740216 has 16 divisors (see below), whose sum is σ = 1409640. Its totient is φ = 364320.

The previous prime is 740191. The next prime is 740227. The reversal of 740216 is 612047.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 740216.

It is an unprimeable number.

740216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 155 + ... + 1226.

2⁷⁴⁰²¹⁶ is an apocalyptic number.

It is an amenable number.

740216 is a deficient number, since it is larger than the sum of its proper divisors (669424).

740216 is a wasteful number, since it uses less digits than its factorization.

740216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 740216 is about 860.3580649939. The cubic root of 740216 is about 90.4592166901.

The spelling of 740216 in words is "seven hundred forty thousand, two hundred sixteen".