673679424 has 168 divisors, whose sum is σ = 2007034848. Its totient is φ = 197775360.

The previous prime is 673679411. The next prime is 673679437. The reversal of 673679424 is 424976376.

It is an interprime number because it is at equal distance from previous prime (673679411) and next prime (673679437).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2891212 + ... + 2891444.

It is an arithmetic number, because the mean of its divisors is an integer number (11946636).

Almost surely, 2^673679424 is an apocalyptic number.

673679424 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673679424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003517424).

673679424 is an abundant number, since it is smaller than the sum of its proper divisors (1333355424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673679424 is a wasteful number, since it uses less digits than its factorization.

673679424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 286 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 48.

The square root of 673679424 is about 25955.3351741025. The cubic root of 673679424 is about 876.6328905690.

The spelling of 673679424 in words is "six hundred seventy-three million, six hundred seventy-nine thousand, four hundred twenty-four".