673121700 has 108 divisors (see below), whose sum is σ = 2135519568. Its totient is φ = 177316800.

The previous prime is 673121663. The next prime is 673121707. The reversal of 673121700 is 7121376.

It is not an unprimeable number, because it can be changed into a prime (673121707) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 70195 + ... + 79205.

Almost surely, 2^673121700 is an apocalyptic number.

673121700 is a gapful number since it is divisible by the number (60) 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 673121700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1067759784).

673121700 is an abundant number, since it is smaller than the sum of its proper divisors (1462397868).

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

673121700 is a wasteful number, since it uses less digits than its factorization.

673121700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9114 (or 9104 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 673121700 is about 25944.5890312412. The cubic root of 673121700 is about 876.3909089139.

The spelling of 673121700 in words is "six hundred seventy-three million, one hundred twenty-one thousand, seven hundred".