7478525284 has 24 divisors (see below), whose sum is σ = 13874208768. Its totient is φ = 3515003520.

The previous prime is 7478525237. The next prime is 7478525287. The reversal of 7478525284 is 4825258747.

It is not an unprimeable number, because it can be changed into a prime (7478525287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10852 + ... + 122779.

It is an arithmetic number, because the mean of its divisors is an integer number (578092032).

Almost surely, 2^7478525284 is an apocalyptic number.

It is an amenable number.

7478525284 is a deficient number, since it is larger than the sum of its proper divisors (6395683484).

7478525284 is a wasteful number, since it uses less digits than its factorization.

7478525284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134475 (or 134473 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 52.

The square root of 7478525284 is about 86478.4671695793. The cubic root of 7478525284 is about 1955.5637975094.

The spelling of 7478525284 in words is "seven billion, four hundred seventy-eight million, five hundred twenty-five thousand, two hundred eighty-four".