740378 has 8 divisors (see below), whose sum is σ = 1137780. Its totient is φ = 361120.

The previous prime is 740371. The next prime is 740387. The reversal of 740378 is 873047.

It can be written as a sum of positive squares in 2 ways, for example, as 734449 + 5929 = 857^2 + 77^2 .

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 740378.

It is not an unprimeable number, because it can be changed into a prime (740371) 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, 4433 + ... + 4596.

2⁷⁴⁰³⁷⁸ is an apocalyptic number.

740378 is a deficient number, since it is larger than the sum of its proper divisors (397402).

740378 is a wasteful number, since it uses less digits than its factorization.

740378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9072.

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

The square root of 740378 is about 860.4522066913. The cubic root of 740378 is about 90.4658153605.

The spelling of 740378 in words is "seven hundred forty thousand, three hundred seventy-eight".