673130947500 has 360 divisors, whose sum is σ = 2324560702464. Its totient is φ = 162828720000.

The previous prime is 673130947429. The next prime is 673130947529. The reversal of 673130947500 is 5749031376.

673130947500 is a `hidden beast` number, since 6 + 7 + 3 + 130 + 9 + 4 + 7 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 124489797 + ... + 124495203.

Almost surely, 2^673130947500 is an apocalyptic number.

673130947500 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 673130947500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162280351232).

673130947500 is an abundant number, since it is smaller than the sum of its proper divisors (1651429754964).

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

673130947500 is a wasteful number, since it uses less digits than its factorization.

673130947500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951 (or 5931 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

Adding to 673130947500 its reverse (5749031376), we get a palindrome (678879978876).

The spelling of 673130947500 in words is "six hundred seventy-three billion, one hundred thirty million, nine hundred forty-seven thousand, five hundred".