7275886128 has 160 divisors (see below), whose sum is σ = 24355584000. Its totient is φ = 2078782272.

The previous prime is 7275886097. The next prime is 7275886139. The reversal of 7275886128 is 8216885727.

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

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, 123625 + ... + 172727.

It is an arithmetic number, because the mean of its divisors is an integer number (152222400).

Almost surely, 2^7275886128 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 7275886128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12177792000).

7275886128 is an abundant number, since it is smaller than the sum of its proper divisors (17079697872).

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

7275886128 is a wasteful number, since it uses less digits than its factorization.

7275886128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49141 (or 49115 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 54.

The square root of 7275886128 is about 85298.8049623205. The cubic root of 7275886128 is about 1937.7390786377.

The spelling of 7275886128 in words is "seven billion, two hundred seventy-five million, eight hundred eighty-six thousand, one hundred twenty-eight".