740144 has 20 divisors (see below), whose sum is σ = 1447824. Its totient is φ = 366528.

The previous prime is 740143. The next prime is 740153. The reversal of 740144 is 441047.

It is not an unprimeable number, because it can be changed into a prime (740141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534 + ... + 2810.

2⁷⁴⁰¹⁴⁴ is an apocalyptic number.

It is an amenable number.

740144 is a deficient number, since it is larger than the sum of its proper divisors (707680).

740144 is a wasteful number, since it uses less digits than its factorization.

740144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 740144 is about 860.3162209327. The cubic root of 740144 is about 90.4562836387.

The spelling of 740144 in words is "seven hundred forty thousand, one hundred forty-four", and thus it is an iban number.