7428873528 has 48 divisors (see below), whose sum is σ = 20865051480. Its totient is φ = 2476290528.

The previous prime is 7428873497. The next prime is 7428873539. The reversal of 7428873528 is 8253788247.

7428873528 is a `hidden beast` number, since 7 + 4 + 288 + 7 + 352 + 8 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1908775 + ... + 1912662.

Almost surely, 2^7428873528 is an apocalyptic number.

It is an amenable number.

7428873528 is an abundant number, since it is smaller than the sum of its proper divisors (13436177952).

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

7428873528 is a wasteful number, since it uses less digits than its factorization.

7428873528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821458 (or 3821442 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The square root of 7428873528 is about 86190.9132565609. The cubic root of 7428873528 is about 1951.2263623023.

The spelling of 7428873528 in words is "seven billion, four hundred twenty-eight million, eight hundred seventy-three thousand, five hundred twenty-eight".