1630702672 has 40 divisors (see below), whose sum is σ = 3286432512. Its totient is φ = 782995200.

The previous prime is 1630702639. The next prime is 1630702699. The reversal of 1630702672 is 2762070361.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52428 + ... + 77524.

Almost surely, 2^1630702672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1630702672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643216256).

1630702672 is an abundant number, since it is smaller than the sum of its proper divisors (1655729840).

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

1630702672 is a wasteful number, since it uses less digits than its factorization.

1630702672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25267 (or 25261 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 1630702672 is about 40381.9597345151. The cubic root of 1630702672 is about 1177.0410090459.

The spelling of 1630702672 in words is "one billion, six hundred thirty million, seven hundred two thousand, six hundred seventy-two".