1600072704 has 220 divisors, whose sum is σ = 4850702208. Its totient is φ = 525312000.

The previous prime is 1600072687. The next prime is 1600072741. The reversal of 1600072704 is 4072700061.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8377249 + ... + 8377439.

Almost surely, 2^1600072704 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 1600072704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2425351104).

1600072704 is an abundant number, since it is smaller than the sum of its proper divisors (3250629504).

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

1600072704 is a wasteful number, since it uses less digits than its factorization.

1600072704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 1600072704 is about 40000.9087896763. The cubic root of 1600072704 is about 1169.6248106656.

Adding to 1600072704 its reverse (4072700061), we get a palindrome (5672772765).

The spelling of 1600072704 in words is "one billion, six hundred million, seventy-two thousand, seven hundred four".