7489861632 has 576 divisors, whose sum is σ = 26079187680. Its totient is φ = 2044723200.

The previous prime is 7489861619. The next prime is 7489861667. The reversal of 7489861632 is 2361689847.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141318118 + ... + 141318170.

Almost surely, 2^7489861632 is an apocalyptic number.

7489861632 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 7489861632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13039593840).

7489861632 is an abundant number, since it is smaller than the sum of its proper divisors (18589326048).

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

7489861632 is a wasteful number, since it uses less digits than its factorization.

7489861632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 127 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 7489861632 is about 86543.9866888509. The cubic root of 7489861632 is about 1956.5514146620.

The spelling of 7489861632 in words is "seven billion, four hundred eighty-nine million, eight hundred sixty-one thousand, six hundred thirty-two".