674755838 has 8 divisors (see below), whose sum is σ = 1013054688. Its totient is φ = 337070944.

The previous prime is 674755799. The next prime is 674755877. The reversal of 674755838 is 838557476.

It is an interprime number because it is at equal distance from previous prime (674755799) and next prime (674755877).

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 674755838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150731 + ... + 155142.

It is an arithmetic number, because the mean of its divisors is an integer number (126631836).

Almost surely, 2^674755838 is an apocalyptic number.

674755838 is a deficient number, since it is larger than the sum of its proper divisors (338298850).

674755838 is a wasteful number, since it uses less digits than its factorization.

674755838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306978.

The product of its digits is 5644800, while the sum is 53.

The square root of 674755838 is about 25976.0627886522. The cubic root of 674755838 is about 877.0995407056.

The spelling of 674755838 in words is "six hundred seventy-four million, seven hundred fifty-five thousand, eight hundred thirty-eight".