740816 has 10 divisors (see below), whose sum is σ = 1435362. Its totient is φ = 370400.

The previous prime is 740801. The next prime is 740849. The reversal of 740816 is 618047.

740816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 577600 + 163216 = 760^2 + 404^2 .

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 740816.

It is an unprimeable number.

740816 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23135 + ... + 23166.

2⁷⁴⁰⁸¹⁶ is an apocalyptic number.

It is an amenable number.

740816 is a deficient number, since it is larger than the sum of its proper divisors (694546).

740816 is a wasteful number, since it uses less digits than its factorization.

740816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46309 (or 46303 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 740816 is about 860.7066863921. The cubic root of 740816 is about 90.4836513919.

The spelling of 740816 in words is "seven hundred forty thousand, eight hundred sixteen".