749378 has 8 divisors (see below), whose sum is σ = 1284672. Its totient is φ = 321156.

The previous prime is 749351. The next prime is 749383. The reversal of 749378 is 873947.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 749378.

It is an unprimeable 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, 26750 + ... + 26777.

It is an arithmetic number, because the mean of its divisors is an integer number (160584).

2⁷⁴⁹³⁷⁸ is an apocalyptic number.

749378 is a deficient number, since it is larger than the sum of its proper divisors (535294).

749378 is a wasteful number, since it uses less digits than its factorization.

749378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53536.

The product of its digits is 42336, while the sum is 38.

The square root of 749378 is about 865.6662174303. Note that the first 3 decimals coincide. The cubic root of 749378 is about 90.8309060504.

The spelling of 749378 in words is "seven hundred forty-nine thousand, three hundred seventy-eight".