7473920 has 36 divisors (see below), whose sum is σ = 17905440. Its totient is φ = 2989056.

The previous prime is 7473913. The next prime is 7473923. The reversal of 7473920 is 293747.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (7473923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640 + ... + 4199.

Almost surely, 2^7473920 is an apocalyptic number.

It is an amenable number.

7473920 is an abundant number, since it is smaller than the sum of its proper divisors (10431520).

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

7473920 is an equidigital number, since it uses as much as digits as its factorization.

7473920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5860 (or 5846 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 7473920 is about 2733.8471061857. The cubic root of 7473920 is about 195.5162302314.

The spelling of 7473920 in words is "seven million, four hundred seventy-three thousand, nine hundred twenty".