630277632 has 160 divisors (see below), whose sum is σ = 1885593600. Its totient is φ = 207857664.

The previous prime is 630277621. The next prime is 630277649. The reversal of 630277632 is 236772036.

It is a super-3 number, since 3×630277632³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1755469 + ... + 1755827.

It is an arithmetic number, because the mean of its divisors is an integer number (11784960).

Almost surely, 2^630277632 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 630277632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942796800).

630277632 is an abundant number, since it is smaller than the sum of its proper divisors (1255315968).

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

630277632 is a wasteful number, since it uses less digits than its factorization.

630277632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 630277632 is about 25105.3307486677. The cubic root of 630277632 is about 857.3877974269.

The spelling of 630277632 in words is "six hundred thirty million, two hundred seventy-seven thousand, six hundred thirty-two".