7489044720 has 240 divisors, whose sum is σ = 26443789632. Its totient is φ = 1895731200.

The previous prime is 7489044677. The next prime is 7489044721. The reversal of 7489044720 is 274409847.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7489044721) 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, 2267070 + ... + 2270370.

Almost surely, 2^7489044720 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 7489044720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13221894816).

7489044720 is an abundant number, since it is smaller than the sum of its proper divisors (18954744912).

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

7489044720 is a wasteful number, since it uses less digits than its factorization.

7489044720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480 (or 3471 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 7489044720 is about 86539.2669254830. The cubic root of 7489044720 is about 1956.4802790158.

The spelling of 7489044720 in words is "seven billion, four hundred eighty-nine million, forty-four thousand, seven hundred twenty".