673125075364 has 27 divisors (see below), whose sum is σ = 1370313714987. Its totient is φ = 288477252504.

The previous prime is 673125075349. The next prime is 673125075367. The reversal of 673125075364 is 463570521376.

The square root of 673125075364 is 820442.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (673125075367) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11456887 + ... + 11515489.

Almost surely, 2^673125075364 is an apocalyptic number.

673125075364 is the 820442-nd square number.

It is an amenable number.

673125075364 is an abundant number, since it is smaller than the sum of its proper divisors (697188639623).

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

673125075364 is an frugal number, since it uses more digits than its factorization.

673125075364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117224 (or 58612 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 49.

Multiplying 673125075364 by its sum of digits (49), we get a square (32983128692836 = 5743094²).

673125075364 divided by its sum of digits (49) gives a square (13737246436 = 117206²).

The spelling of 673125075364 in words is "six hundred seventy-three billion, one hundred twenty-five million, seventy-five thousand, three hundred sixty-four".