673778002 has 16 divisors (see below), whose sum is σ = 1021692672. Its totient is φ = 333221760.

The previous prime is 673777999. The next prime is 673778009. The reversal of 673778002 is 200877376.

It is a super-2 number, since 2×673778002² = 907953591958224008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673778009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252258 + ... + 254914.

It is an arithmetic number, because the mean of its divisors is an integer number (63855792).

Almost surely, 2^673778002 is an apocalyptic number.

673778002 is a deficient number, since it is larger than the sum of its proper divisors (347914670).

673778002 is a wasteful number, since it uses less digits than its factorization.

673778002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 673778002 is about 25957.2340976461. The cubic root of 673778002 is about 876.6756470589.

The spelling of 673778002 in words is "six hundred seventy-three million, seven hundred seventy-eight thousand, two".