630415752 has 64 divisors (see below), whose sum is σ = 1642291200. Its totient is φ = 201433920.

The previous prime is 630415741. The next prime is 630415769. The reversal of 630415752 is 257514036.

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, 75649 + ... + 83567.

It is an arithmetic number, because the mean of its divisors is an integer number (25660800).

Almost surely, 2^630415752 is an apocalyptic number.

630415752 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630415752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (821145600).

630415752 is an abundant number, since it is smaller than the sum of its proper divisors (1011875448).

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

630415752 is a wasteful number, since it uses less digits than its factorization.

630415752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8066 (or 8062 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 630415752 is about 25108.0814081841. The cubic root of 630415752 is about 857.4504226083.

Adding to 630415752 its reverse (257514036), we get a palindrome (887929788).

The spelling of 630415752 in words is "six hundred thirty million, four hundred fifteen thousand, seven hundred fifty-two".