673844026 has 8 divisors (see below), whose sum is σ = 1011399840. Its totient is φ = 336710748.

The previous prime is 673844021. The next prime is 673844033. The reversal of 673844026 is 620448376.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 673844026.

It is not an unprimeable number, because it can be changed into a prime (673844021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101616 + ... + 108043.

It is an arithmetic number, because the mean of its divisors is an integer number (126424980).

Almost surely, 2^673844026 is an apocalyptic number.

673844026 is a deficient number, since it is larger than the sum of its proper divisors (337555814).

673844026 is a wasteful number, since it uses less digits than its factorization.

673844026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211268.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 673844026 is about 25958.5058506841. The cubic root of 673844026 is about 876.7042814865.

The spelling of 673844026 in words is "six hundred seventy-three million, eight hundred forty-four thousand, twenty-six".