630213752 has 64 divisors (see below), whose sum is σ = 1370096640. Its totient is φ = 266198400.

The previous prime is 630213737. The next prime is 630213767. The reversal of 630213752 is 257312036.

It is an interprime number because it is at equal distance from previous prime (630213737) and next prime (630213767).

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, 1987898 + ... + 1988214.

It is an arithmetic number, because the mean of its divisors is an integer number (21407760).

Almost surely, 2^630213752 is an apocalyptic number.

It is an amenable number.

630213752 is an abundant number, since it is smaller than the sum of its proper divisors (739882888).

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

630213752 is a wasteful number, since it uses less digits than its factorization.

630213752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 630213752 is about 25104.0584766687. The cubic root of 630213752 is about 857.3588304129.

Adding to 630213752 its reverse (257312036), we get a palindrome (887525788).

The spelling of 630213752 in words is "six hundred thirty million, two hundred thirteen thousand, seven hundred fifty-two".