674303643 has 32 divisors (see below), whose sum is σ = 1078056000. Its totient is φ = 414091008.

The previous prime is 674303633. The next prime is 674303647. The reversal of 674303643 is 346303476.

674303643 is a `hidden beast` number, since 6 + 7 + 4 + 3 + 0 + 3 + 643 = 666.

It is not a de Polignac number, because 674303643 - 2⁸ = 674303387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674303598 and 674303607.

It is not an unprimeable number, because it can be changed into a prime (674303647) 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 31 ways as a sum of consecutive naturals, for example, 193783 + ... + 197231.

It is an arithmetic number, because the mean of its divisors is an integer number (33689250).

Almost surely, 2^674303643 is an apocalyptic number.

674303643 is a deficient number, since it is larger than the sum of its proper divisors (403752357).

674303643 is a wasteful number, since it uses less digits than its factorization.

674303643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028 (or 4022 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 36.

The square root of 674303643 is about 25967.3572586815. The cubic root of 674303643 is about 876.9035643059.

The spelling of 674303643 in words is "six hundred seventy-four million, three hundred three thousand, six hundred forty-three".