7004454912 has 640 divisors, whose sum is σ = 26643909600. Its totient is φ = 1783627776.

The previous prime is 7004454871. The next prime is 7004454913. The reversal of 7004454912 is 2194544007.

It is a happy number.

7004454912 is a `hidden beast` number, since 70 + 0 + 44 + 549 + 1 + 2 = 666.

It is a super-2 number, since 2×7004454912² = 98124777228481855488, which contains 22 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 not an unprimeable number, because it can be changed into a prime (7004454913) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 241532914 + ... + 241532942.

Almost surely, 2^7004454912 is an apocalyptic number.

7004454912 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 7004454912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13321954800).

7004454912 is an abundant number, since it is smaller than the sum of its proper divisors (19639454688).

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

7004454912 is an equidigital number, since it uses as much as digits as its factorization.

7004454912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 7004454912 is about 83692.6216102710. The cubic root of 7004454912 is about 1913.3369033861.

Adding to 7004454912 its reverse (2194544007), we get a palindrome (9198998919).

The spelling of 7004454912 in words is "seven billion, four million, four hundred fifty-four thousand, nine hundred twelve".