637273252 has 24 divisors (see below), whose sum is σ = 1390415040. Its totient is φ = 248288160.

The previous prime is 637273249. The next prime is 637273297. The reversal of 637273252 is 252372736.

It is a super-2 number, since 2×637273252² = 812234395429311008, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1034227 + ... + 1034842.

It is an arithmetic number, because the mean of its divisors is an integer number (57933960).

Almost surely, 2^637273252 is an apocalyptic number.

It is an amenable number.

637273252 is an abundant number, since it is smaller than the sum of its proper divisors (753141788).

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

637273252 is a wasteful number, since it uses less digits than its factorization.

637273252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2069091 (or 2069089 counting only the distinct ones).

The product of its digits is 105840, while the sum is 37.

The square root of 637273252 is about 25244.2716670535. The cubic root of 637273252 is about 860.5482586620.

The spelling of 637273252 in words is "six hundred thirty-seven million, two hundred seventy-three thousand, two hundred fifty-two".