9072406 has 8 divisors (see below), whose sum is σ = 15552720. Its totient is φ = 3888168.

The previous prime is 9072383. The next prime is 9072421. The reversal of 9072406 is 6042709.

9072406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324001 + ... + 324028.

It is an arithmetic number, because the mean of its divisors is an integer number (1944090).

Almost surely, 2^9072406 is an apocalyptic number.

9072406 is a deficient number, since it is larger than the sum of its proper divisors (6480314).

9072406 is a wasteful number, since it uses less digits than its factorization.

9072406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648038.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 9072406 is about 3012.0434923819. The cubic root of 9072406 is about 208.5647099052.

The spelling of 9072406 in words is "nine million, seventy-two thousand, four hundred six".