7073920 has 64 divisors (see below), whose sum is σ = 19339200. Its totient is φ = 2423808.

The previous prime is 7073917. The next prime is 7073959. The reversal of 7073920 is 293707.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 3691 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (302175).

Almost surely, 2^7073920 is an apocalyptic number.

7073920 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7073920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9669600).

7073920 is an abundant number, since it is smaller than the sum of its proper divisors (12265280).

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

7073920 is a wasteful number, since it uses less digits than its factorization.

7073920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605 (or 1593 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 28.

The square root of 7073920 is about 2659.6841917792. The cubic root of 7073920 is about 191.9641136633.

The spelling of 7073920 in words is "seven million, seventy-three thousand, nine hundred twenty".