7275795840 has 160 divisors (see below), whose sum is σ = 25983365760. Its totient is φ = 1940198400.

The previous prime is 7275795833. The next prime is 7275795841. The reversal of 7275795840 is 485975727.

It is a happy number.

7275795840 is a `hidden beast` number, since 7 + 2 + 7 + 57 + 9 + 584 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×7275795840² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275795841) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18336 + ... + 122015.

It is an arithmetic number, because the mean of its divisors is an integer number (162396036).

Almost surely, 2^7275795840 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 7275795840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12991682880).

7275795840 is an abundant number, since it is smaller than the sum of its proper divisors (18707569920).

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

7275795840 is a wasteful number, since it uses less digits than its factorization.

7275795840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140382 (or 140361 counting only the distinct ones).

The product of its (nonzero) digits is 4939200, while the sum is 54.

The square root of 7275795840 is about 85298.2757152804. The cubic root of 7275795840 is about 1937.7310633341.

The spelling of 7275795840 in words is "seven billion, two hundred seventy-five million, seven hundred ninety-five thousand, eight hundred forty".