740470 has 8 divisors (see below), whose sum is σ = 1332864. Its totient is φ = 296184.

The previous prime is 740461. The next prime is 740473. The reversal of 740470 is 74047.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740473) by changing a digit.

740470 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, 37014 + ... + 37033.

It is an arithmetic number, because the mean of its divisors is an integer number (166608).

2⁷⁴⁰⁴⁷⁰ is an apocalyptic number.

740470 is a deficient number, since it is larger than the sum of its proper divisors (592394).

740470 is a wasteful number, since it uses less digits than its factorization.

740470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74054.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 740470 is about 860.5056652922. The cubic root of 740470 is about 90.4695623250.

The spelling of 740470 in words is "seven hundred forty thousand, four hundred seventy", and thus it is an iban number.