673878692 has 12 divisors (see below), whose sum is σ = 1179741696. Its totient is φ = 336809640.

The previous prime is 673878661. The next prime is 673878727. The reversal of 673878692 is 296878376.

It is a happy number.

It is a super-2 number, since 2×673878692² = 908224983063261728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20228 + ... + 41915.

It is an arithmetic number, because the mean of its divisors is an integer number (98311808).

Almost surely, 2^673878692 is an apocalyptic number.

It is an amenable number.

673878692 is a deficient number, since it is larger than the sum of its proper divisors (505863004).

673878692 is a wasteful number, since it uses less digits than its factorization.

673878692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64858 (or 64856 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The square root of 673878692 is about 25959.1735615755. The cubic root of 673878692 is about 876.7193152868.

The spelling of 673878692 in words is "six hundred seventy-three million, eight hundred seventy-eight thousand, six hundred ninety-two".