1223672072 has 64 divisors (see below), whose sum is σ = 2706117120. Its totient is φ = 507875328.

The previous prime is 1223672069. The next prime is 1223672111. The reversal of 1223672072 is 2702763221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252908 + ... + 257700.

It is an arithmetic number, because the mean of its divisors is an integer number (42283080).

Almost surely, 2^1223672072 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 1223672072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353058560).

1223672072 is an abundant number, since it is smaller than the sum of its proper divisors (1482445048).

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

1223672072 is a wasteful number, since it uses less digits than its factorization.

1223672072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950 (or 4946 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 1223672072 is about 34981.0244561248. The cubic root of 1223672072 is about 1069.6007104803.

The spelling of 1223672072 in words is "one billion, two hundred twenty-three million, six hundred seventy-two thousand, seventy-two".