740738 has 8 divisors (see below), whose sum is σ = 1159488. Its totient is φ = 354244.

The previous prime is 740737. The next prime is 740749. The reversal of 740738 is 837047.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 740738.

It is not an unprimeable number, because it can be changed into a prime (740737) 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, 8006 + ... + 8097.

It is an arithmetic number, because the mean of its divisors is an integer number (144936).

2⁷⁴⁰⁷³⁸ is an apocalyptic number.

740738 is a deficient number, since it is larger than the sum of its proper divisors (418750).

740738 is a wasteful number, since it uses less digits than its factorization.

740738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16128.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 740738 is about 860.6613735959. The cubic root of 740738 is about 90.4804756270.

The spelling of 740738 in words is "seven hundred forty thousand, seven hundred thirty-eight".