1072320876 has 144 divisors (see below), whose sum is σ = 3155568640. Its totient is φ = 314344800.

The previous prime is 1072320869. The next prime is 1072320877. The reversal of 1072320876 is 6780232701.

It is a super-2 number, since 2×1072320876² = 2299744122210814752, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1072320876.

It is not an unprimeable number, because it can be changed into a prime (1072320877) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 403785 + ... + 406431.

Almost surely, 2^1072320876 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 1072320876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1577784320).

1072320876 is an abundant number, since it is smaller than the sum of its proper divisors (2083247764).

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

1072320876 is a wasteful number, since it uses less digits than its factorization.

1072320876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713 (or 2694 counting only the distinct ones).

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

The square root of 1072320876 is about 32746.3108761888. The cubic root of 1072320876 is about 1023.5480933920.

The spelling of 1072320876 in words is "one billion, seventy-two million, three hundred twenty thousand, eight hundred seventy-six".