740534 has 8 divisors (see below), whose sum is σ = 1114560. Its totient is φ = 369016.

The previous prime is 740533. The next prime is 740549. The reversal of 740534 is 435047.

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 (740533) 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, 572 + ... + 1344.

It is an arithmetic number, because the mean of its divisors is an integer number (139320).

2⁷⁴⁰⁵³⁴ is an apocalyptic number.

740534 is a deficient number, since it is larger than the sum of its proper divisors (374026).

740534 is a wasteful number, since it uses less digits than its factorization.

740534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 740534 is about 860.5428519255. The cubic root of 740534 is about 90.4721687260.

The spelling of 740534 in words is "seven hundred forty thousand, five hundred thirty-four".