7275250428 has 48 divisors (see below), whose sum is σ = 18047909376. Its totient is φ = 2275873600.

The previous prime is 7275250421. The next prime is 7275250441. The reversal of 7275250428 is 8240525727.

It is a super-2 number, since 2×7275250428² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7275250428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7275250421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234048 + ... + 263303.

It is an arithmetic number, because the mean of its divisors is an integer number (375998112).

Almost surely, 2^7275250428 is an apocalyptic number.

It is an amenable number.

7275250428 is an abundant number, since it is smaller than the sum of its proper divisors (10772658948).

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

7275250428 is a wasteful number, since it uses less digits than its factorization.

7275250428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497434 (or 497432 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 42.

The square root of 7275250428 is about 85295.0785684614. The cubic root of 7275250428 is about 1937.6826430555.

The spelling of 7275250428 in words is "seven billion, two hundred seventy-five million, two hundred fifty thousand, four hundred twenty-eight".