1072716312 has 64 divisors (see below), whose sum is σ = 2806364160. Its totient is φ = 341280000.

The previous prime is 1072716283. The next prime is 1072716353. The reversal of 1072716312 is 2136172701.

It is a self number, because there is not a number n which added to its sum of digits gives 1072716312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44437 + ... + 64187.

It is an arithmetic number, because the mean of its divisors is an integer number (43849440).

Almost surely, 2^1072716312 is an apocalyptic number.

1072716312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1072716312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403182080).

1072716312 is an abundant number, since it is smaller than the sum of its proper divisors (1733647848).

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

1072716312 is a wasteful number, since it uses less digits than its factorization.

1072716312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19864 (or 19860 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 1072716312 is about 32752.3481906260. The cubic root of 1072716312 is about 1023.6738946736.

The spelling of 1072716312 in words is "one billion, seventy-two million, seven hundred sixteen thousand, three hundred twelve".