630497632 has 48 divisors (see below), whose sum is σ = 1316900592. Its totient is φ = 296120320.

The previous prime is 630497579. The next prime is 630497633. The reversal of 630497632 is 236794036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630497633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413223 + ... + 414745.

It is an arithmetic number, because the mean of its divisors is an integer number (27435429).

Almost surely, 2^630497632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630497632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658450296).

630497632 is an abundant number, since it is smaller than the sum of its proper divisors (686402960).

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

630497632 is a wasteful number, since it uses less digits than its factorization.

630497632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311 (or 2303 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 630497632 is about 25109.7119059538. The cubic root of 630497632 is about 857.4875436146.

The spelling of 630497632 in words is "six hundred thirty million, four hundred ninety-seven thousand, six hundred thirty-two".