7275390720 has 288 divisors, whose sum is σ = 26498187072. Its totient is φ = 1685323776.

The previous prime is 7275390701. The next prime is 7275390769. The reversal of 7275390720 is 270935727.

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, 844354 + ... + 852926.

It is an arithmetic number, because the mean of its divisors is an integer number (92007594).

Almost surely, 2^7275390720 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 7275390720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13249093536).

7275390720 is an abundant number, since it is smaller than the sum of its proper divisors (19222796352).

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

7275390720 is a wasteful number, since it uses less digits than its factorization.

7275390720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8627 (or 8613 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 42.

The square root of 7275390720 is about 85295.9009566110. The cubic root of 7275390720 is about 1937.6950980506.

The spelling of 7275390720 in words is "seven billion, two hundred seventy-five million, three hundred ninety thousand, seven hundred twenty".