7289055408 has 80 divisors (see below), whose sum is σ = 19290015360. Its totient is φ = 2370943488.

The previous prime is 7289055407. The next prime is 7289055409. The reversal of 7289055408 is 8045509827.

It is an interprime number because it is at equal distance from previous prime (7289055407) and next prime (7289055409).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (7289055407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378591 + ... + 397377.

It is an arithmetic number, because the mean of its divisors is an integer number (241125192).

Almost surely, 2^7289055408 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 7289055408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9645007680).

7289055408 is an abundant number, since it is smaller than the sum of its proper divisors (12000959952).

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

7289055408 is a wasteful number, since it uses less digits than its factorization.

7289055408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18994 (or 18988 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 7289055408 is about 85375.9650487185. The cubic root of 7289055408 is about 1938.9074700132.

The spelling of 7289055408 in words is "seven billion, two hundred eighty-nine million, fifty-five thousand, four hundred eight".