740679 has 8 divisors (see below), whose sum is σ = 994800. Its totient is φ = 490176.

The previous prime is 740671. The next prime is 740681. The reversal of 740679 is 976047.

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

It is not a de Polignac number, because 740679 - 2³ = 740671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740671) 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 7 ways as a sum of consecutive naturals, for example, 382 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (124350).

2⁷⁴⁰⁶⁷⁹ is an apocalyptic number.

740679 is a deficient number, since it is larger than the sum of its proper divisors (254121).

740679 is a wasteful number, since it uses less digits than its factorization.

740679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 740679 is about 860.6270969473. The cubic root of 740679 is about 90.4780732977.

The spelling of 740679 in words is "seven hundred forty thousand, six hundred seventy-nine".