1072200072 has 16 divisors (see below), whose sum is σ = 2680500240. Its totient is φ = 357400016.

The previous prime is 1072200011. The next prime is 1072200079. The reversal of 1072200072 is 2700022701.

It is a super-2 number, since 2×1072200072² = 2299225988793610368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1072200079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22337478 + ... + 22337525.

It is an arithmetic number, because the mean of its divisors is an integer number (167531265).

Almost surely, 2^1072200072 is an apocalyptic number.

1072200072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1072200072 is an abundant number, since it is smaller than the sum of its proper divisors (1608300168).

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

1072200072 is a wasteful number, since it uses less digits than its factorization.

1072200072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44675012 (or 44675008 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 1072200072 is about 32744.4662805794. The cubic root of 1072200072 is about 1023.5096554734.

Adding to 1072200072 its reverse (2700022701), we get a palindrome (3772222773).

The spelling of 1072200072 in words is "one billion, seventy-two million, two hundred thousand, seventy-two".