807072444 has 24 divisors (see below), whose sum is σ = 2092410320. Its totient is φ = 269024112.

The previous prime is 807072437. The next prime is 807072479. The reversal of 807072444 is 444270708.

807072444 is a `hidden beast` number, since 80 + 70 + 72 + 444 = 666.

807072444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 807072399 and 807072408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3736339 + ... + 3736554.

Almost surely, 2^807072444 is an apocalyptic number.

It is an amenable number.

807072444 is an abundant number, since it is smaller than the sum of its proper divisors (1285337876).

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

807072444 is a wasteful number, since it uses less digits than its factorization.

807072444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7472906 (or 7472898 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 807072444 is about 28409.0204688581. The cubic root of 807072444 is about 931.0453593910.

The spelling of 807072444 in words is "eight hundred seven million, seventy-two thousand, four hundred forty-four".