673451919360 has 768 divisors, whose sum is σ = 2645540352000. Its totient is φ = 161136967680.

The previous prime is 673451919317. The next prime is 673451919367. The reversal of 673451919360 is 63919154376.

673451919360 is a `hidden beast` number, since 6 + 7 + 34 + 519 + 1 + 93 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 673451919297 and 673451919306.

It is not an unprimeable number, because it can be changed into a prime (673451919367) 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, 240259719 + ... + 240262521.

It is an arithmetic number, because the mean of its divisors is an integer number (3444714000).

Almost surely, 2^673451919360 is an apocalyptic number.

673451919360 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 673451919360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322770176000).

673451919360 is an abundant number, since it is smaller than the sum of its proper divisors (1972088432640).

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

673451919360 is a wasteful number, since it uses less digits than its factorization.

673451919360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 673451919360 in words is "six hundred seventy-three billion, four hundred fifty-one million, nine hundred nineteen thousand, three hundred sixty".