630272526 has 16 divisors (see below), whose sum is σ = 1357510224. Its totient is φ = 193929984.

The previous prime is 630272509. The next prime is 630272527. The reversal of 630272526 is 625272036.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630272527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4040131 + ... + 4040286.

It is an arithmetic number, because the mean of its divisors is an integer number (84844389).

Almost surely, 2^630272526 is an apocalyptic number.

630272526 is an abundant number, since it is smaller than the sum of its proper divisors (727237698).

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

630272526 is a wasteful number, since it uses less digits than its factorization.

630272526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8080435.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 630272526 is about 25105.2290569116. The cubic root of 630272526 is about 857.3854821329.

The spelling of 630272526 in words is "six hundred thirty million, two hundred seventy-two thousand, five hundred twenty-six".