674039243 has 8 divisors (see below), whose sum is σ = 678332160. Its totient is φ = 669755520.

The previous prime is 674039209. The next prime is 674039251. The reversal of 674039243 is 342930476.

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

It is a cyclic number.

It is not a de Polignac number, because 674039243 - 2⁸ = 674038987 is a prime.

It is a super-2 number, since 2×674039243² = 908657802208026098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674039197 and 674039206.

It is not an unprimeable number, because it can be changed into a prime (674039143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197078 + ... + 200468.

It is an arithmetic number, because the mean of its divisors is an integer number (84791520).

Almost surely, 2^674039243 is an apocalyptic number.

674039243 is a deficient number, since it is larger than the sum of its proper divisors (4292917).

674039243 is a wasteful number, since it uses less digits than its factorization.

674039243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4597.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 674039243 is about 25962.2657524339. The cubic root of 674039243 is about 876.7889356242.

The spelling of 674039243 in words is "six hundred seventy-four million, thirty-nine thousand, two hundred forty-three".