7204440672 has 864 divisors, whose sum is σ = 27327605760. Its totient is φ = 1847577600.

The previous prime is 7204440599. The next prime is 7204440689. The reversal of 7204440672 is 2760444027.

It is a happy number.

7204440672 is a `hidden beast` number, since 7 + 204 + 440 + 6 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a super-3 number, since 3×7204440672³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 232401297 + ... + 232401327.

Almost surely, 2^7204440672 is an apocalyptic number.

7204440672 is a gapful number since it is divisible by the number (72) 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 7204440672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13663802880).

7204440672 is an abundant number, since it is smaller than the sum of its proper divisors (20123165088).

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

7204440672 is a wasteful number, since it uses less digits than its factorization.

7204440672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

The square root of 7204440672 is about 84878.9766196554. The cubic root of 7204440672 is about 1931.3756711133.

Adding to 7204440672 its reverse (2760444027), we get a palindrome (9964884699).

The spelling of 7204440672 in words is "seven billion, two hundred four million, four hundred forty thousand, six hundred seventy-two".