1630708704 has 72 divisors (see below), whose sum is σ = 4642485120. Its totient is φ = 542965248.

The previous prime is 1630708699. The next prime is 1630708721. The reversal of 1630708704 is 4078070361.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310452 + ... + 315660.

It is an arithmetic number, because the mean of its divisors is an integer number (64478960).

Almost surely, 2^1630708704 is an apocalyptic number.

It is an amenable number.

1630708704 is an abundant number, since it is smaller than the sum of its proper divisors (3011776416).

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

1630708704 is a wasteful number, since it uses less digits than its factorization.

1630708704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6312 (or 6301 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1630708704 is about 40382.0344212621. The cubic root of 1630708704 is about 1177.0424603431.

The spelling of 1630708704 in words is "one billion, six hundred thirty million, seven hundred eight thousand, seven hundred four".