673862280 has 256 divisors, whose sum is σ = 2597253120. Its totient is φ = 135945216.

The previous prime is 673862251. The next prime is 673862281. The reversal of 673862280 is 82268376.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (673862281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 249819 + ... + 252501.

It is an arithmetic number, because the mean of its divisors is an integer number (10145520).

Almost surely, 2^673862280 is an apocalyptic number.

673862280 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 673862280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1298626560).

673862280 is an abundant number, since it is smaller than the sum of its proper divisors (1923390840).

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

673862280 is a wasteful number, since it uses less digits than its factorization.

673862280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 673862280 is about 25958.8574478924. The cubic root of 673862280 is about 876.7121978662.

The spelling of 673862280 in words is "six hundred seventy-three million, eight hundred sixty-two thousand, two hundred eighty".