673897056 has 192 divisors, whose sum is σ = 2148249600. Its totient is φ = 180804096.

The previous prime is 673897043. The next prime is 673897069. The reversal of 673897056 is 650798376.

It is an interprime number because it is at equal distance from previous prime (673897043) and next prime (673897069).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 911535 + ... + 912273.

It is an arithmetic number, because the mean of its divisors is an integer number (11188800).

Almost surely, 2^673897056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673897056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074124800).

673897056 is an abundant number, since it is smaller than the sum of its proper divisors (1474352544).

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

673897056 is a wasteful number, since it uses less digits than its factorization.

673897056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 51.

The square root of 673897056 is about 25959.5272684231. The cubic root of 673897056 is about 876.7272790976.

The spelling of 673897056 in words is "six hundred seventy-three million, eight hundred ninety-seven thousand, fifty-six".