9420072 has 16 divisors (see below), whose sum is σ = 23550240. Its totient is φ = 3140016.

The previous prime is 9420049. The next prime is 9420077. The reversal of 9420072 is 2700249.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 392503 = 9420072 / (9 + 4 + 2 + 0 + 0 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (9420077) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 196228 + ... + 196275.

It is an arithmetic number, because the mean of its divisors is an integer number (1471890).

Almost surely, 2^9420072 is an apocalyptic number.

It is an amenable number.

9420072 is an abundant number, since it is smaller than the sum of its proper divisors (14130168).

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

9420072 is a wasteful number, since it uses less digits than its factorization.

9420072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392512 (or 392508 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 9420072 is about 3069.2135800560. The cubic root of 9420072 is about 211.1955391046.

The spelling of 9420072 in words is "nine million, four hundred twenty thousand, seventy-two".