7206001920 has 576 divisors, whose sum is σ = 28254293760. Its totient is φ = 1727889408.

The previous prime is 7206001843. The next prime is 7206002003. The reversal of 7206001920 is 291006027.

7206001920 is a `hidden beast` number, since 7 + 20 + 600 + 19 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19318854 + ... + 19319226.

Almost surely, 2^7206001920 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 7206001920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14127146880).

7206001920 is an abundant number, since it is smaller than the sum of its proper divisors (21048291840).

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

7206001920 is a wasteful number, since it uses less digits than its factorization.

7206001920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 7206001920 is about 84888.1730278135. The cubic root of 7206001920 is about 1931.5151748236.

Adding to 7206001920 its reverse (291006027), we get a palindrome (7497007947).

The spelling of 7206001920 in words is "seven billion, two hundred six million, one thousand, nine hundred twenty".