7205655996 has 450 divisors, whose sum is σ = 24881065440. Its totient is φ = 1811224800.

The previous prime is 7205655979. The next prime is 7205655997. The reversal of 7205655996 is 6995565027.

It is a happy number.

7205655996 is a `hidden beast` number, since 7 + 20 + 565 + 59 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7205655997) by changing a digit.

It is a polite number, since it can be written in 149 ways as a sum of consecutive naturals, for example, 232440501 + ... + 232440531.

Almost surely, 2^7205655996 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 7205655996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12440532720).

7205655996 is an abundant number, since it is smaller than the sum of its proper divisors (17675409444).

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

7205655996 is a wasteful number, since it uses less digits than its factorization.

7205655996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 5103000, while the sum is 54.

The square root of 7205655996 is about 84886.1354757065. The cubic root of 7205655996 is about 1931.4842668780.

The spelling of 7205655996 in words is "seven billion, two hundred five million, six hundred fifty-five thousand, nine hundred ninety-six".