740758 has 8 divisors (see below), whose sum is σ = 1176552. Its totient is φ = 348576.

The previous prime is 740749. The next prime is 740801. The reversal of 740758 is 857047.

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 an unprimeable number.

740758 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, 10860 + ... + 10927.

It is an arithmetic number, because the mean of its divisors is an integer number (147069).

2⁷⁴⁰⁷⁵⁸ is an apocalyptic number.

740758 is a deficient number, since it is larger than the sum of its proper divisors (435794).

740758 is a wasteful number, since it uses less digits than its factorization.

740758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21806.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 740758 is about 860.6729924890. The cubic root of 740758 is about 90.4812899469.

The spelling of 740758 in words is "seven hundred forty thousand, seven hundred fifty-eight".