7090398720 has 320 divisors, whose sum is σ = 26516160000. Its totient is φ = 1790926848.

The previous prime is 7090398719. The next prime is 7090398751. The reversal of 7090398720 is 278930907.

It is a tau number, because it is divible by the number of its divisors (320).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1310581 + ... + 1315979.

It is an arithmetic number, because the mean of its divisors is an integer number (82863000).

Almost surely, 2^7090398720 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 7090398720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13258080000).

7090398720 is an abundant number, since it is smaller than the sum of its proper divisors (19425761280).

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

7090398720 is a wasteful number, since it uses less digits than its factorization.

7090398720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5450 (or 5428 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 7090398720 is about 84204.5053426478. The cubic root of 7090398720 is about 1921.1305841295.

The spelling of 7090398720 in words is "seven billion, ninety million, three hundred ninety-eight thousand, seven hundred twenty".