7025449788 has 144 divisors (see below), whose sum is σ = 21393741824. Its totient is φ = 1974248640.

The previous prime is 7025449661. The next prime is 7025449789. The reversal of 7025449788 is 8879445207.

It is a happy number.

7025449788 is a `hidden beast` number, since 7 + 0 + 2 + 544 + 97 + 8 + 8 = 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 (7025449789) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 406581 + ... + 423507.

Almost surely, 2^7025449788 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 7025449788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10696870912).

7025449788 is an abundant number, since it is smaller than the sum of its proper divisors (14368292036).

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

7025449788 is a wasteful number, since it uses less digits than its factorization.

7025449788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17014 (or 17000 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The square root of 7025449788 is about 83817.9562385054. The cubic root of 7025449788 is about 1915.2466500311.

The spelling of 7025449788 in words is "seven billion, twenty-five million, four hundred forty-nine thousand, seven hundred eighty-eight".