7543285428 has 96 divisors (see below), whose sum is σ = 20897701888. Its totient is φ = 2072304000.

The previous prime is 7543285391. The next prime is 7543285471. The reversal of 7543285428 is 8245823457.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 399603 + ... + 418053.

Almost surely, 2^7543285428 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 7543285428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10448850944).

7543285428 is an abundant number, since it is smaller than the sum of its proper divisors (13354416460).

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

7543285428 is a wasteful number, since it uses less digits than its factorization.

7543285428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18653 (or 18651 counting only the distinct ones).

The product of its digits is 2150400, while the sum is 48.

The square root of 7543285428 is about 86852.0893703773. The cubic root of 7543285428 is about 1961.1923041927.

The spelling of 7543285428 in words is "seven billion, five hundred forty-three million, two hundred eighty-five thousand, four hundred twenty-eight".