1630730232 has 48 divisors (see below), whose sum is σ = 4580142840. Its totient is φ = 543576096.

The previous prime is 1630730177. The next prime is 1630730273. The reversal of 1630730232 is 2320370361.

1630730232 is a `hidden beast` number, since 1 + 630 + 7 + 3 + 0 + 23 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1630730196 and 1630730205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 417483 + ... + 421370.

Almost surely, 2^1630730232 is an apocalyptic number.

1630730232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1630730232 is an abundant number, since it is smaller than the sum of its proper divisors (2949412608).

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

1630730232 is an equidigital number, since it uses as much as digits as its factorization.

1630730232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838874 (or 838858 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 1630730232 is about 40382.3009745606. The cubic root of 1630730232 is about 1177.0476399435.

The spelling of 1630730232 in words is "one billion, six hundred thirty million, seven hundred thirty thousand, two hundred thirty-two".