630787148 has 6 divisors (see below), whose sum is σ = 1103877516. Its totient is φ = 315393572.

The previous prime is 630787147. The next prime is 630787151. The reversal of 630787148 is 841787036.

It is a junction number, because it is equal to n+sod(n) for n = 630787099 and 630787108.

It is not an unprimeable number, because it can be changed into a prime (630787147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78848390 + ... + 78848397.

It is an arithmetic number, because the mean of its divisors is an integer number (183979586).

Almost surely, 2^630787148 is an apocalyptic number.

It is an amenable number.

630787148 is a deficient number, since it is larger than the sum of its proper divisors (473090368).

630787148 is a wasteful number, since it uses less digits than its factorization.

630787148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157696791 (or 157696789 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 630787148 is about 25115.4762646461. The cubic root of 630787148 is about 857.6187724314.

The spelling of 630787148 in words is "six hundred thirty million, seven hundred eighty-seven thousand, one hundred forty-eight".