630010620 has 36 divisors (see below), whose sum is σ = 1911032760. Its totient is φ = 168002784.

The previous prime is 630010597. The next prime is 630010631. The reversal of 630010620 is 26010036.

It is a happy number.

630010620 is a `hidden beast` number, since 6 + 30 + 0 + 10 + 620 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 630010593 and 630010602.

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, 1749850 + ... + 1750209.

Almost surely, 2^630010620 is an apocalyptic number.

630010620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

630010620 is an abundant number, since it is smaller than the sum of its proper divisors (1281022140).

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

630010620 is a wasteful number, since it uses less digits than its factorization.

630010620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500074 (or 3500069 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 630010620 is about 25100.0123505946. The cubic root of 630010620 is about 857.2667051996.

Adding to 630010620 its reverse (26010036), we get a palindrome (656020656).

The spelling of 630010620 in words is "six hundred thirty million, ten thousand, six hundred twenty".