673526250 has 240 divisors, whose sum is σ = 2017604160. Its totient is φ = 161568000.

The previous prime is 673526239. The next prime is 673526257. The reversal of 673526250 is 52625376.

It is a happy number.

It is a super-3 number, since 3×673526250³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (673526257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4916182 + ... + 4916318.

It is an arithmetic number, because the mean of its divisors is an integer number (8406684).

Almost surely, 2^673526250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673526250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1008802080).

673526250 is an abundant number, since it is smaller than the sum of its proper divisors (1344077910).

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

673526250 is a wasteful number, since it uses less digits than its factorization.

673526250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 673526250 is about 25952.3842835297. The cubic root of 673526250 is about 876.5664457390.

The spelling of 673526250 in words is "six hundred seventy-three million, five hundred twenty-six thousand, two hundred fifty".