7320000 has 140 divisors (see below), whose sum is σ = 24598376. Its totient is φ = 1920000.

The previous prime is 7319987. The next prime is 7320011. The reversal of 7320000 is 237.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 5 and base 10.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 119970 + ... + 120030.

Almost surely, 2^7320000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12299188).

7320000 is an abundant number, since it is smaller than the sum of its proper divisors (17278376).

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

7320000 is an equidigital number, since it uses as much as digits as its factorization.

7320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 7320000 is about 2705.5498516937. The cubic root of 7320000 is about 194.1647376707.

Adding to 7320000 its reverse (237), we get a palindrome (7320237).

The spelling of 7320000 in words is "seven million, three hundred twenty thousand".