7543528968 has 16 divisors (see below), whose sum is σ = 18858822480. Its totient is φ = 2514509648.

The previous prime is 7543528961. The next prime is 7543528969. The reversal of 7543528968 is 8698253457.

It is not an unprimeable number, because it can be changed into a prime (7543528961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157156830 + ... + 157156877.

It is an arithmetic number, because the mean of its divisors is an integer number (1178676405).

Almost surely, 2^7543528968 is an apocalyptic number.

It is an amenable number.

7543528968 is an abundant number, since it is smaller than the sum of its proper divisors (11315293512).

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

7543528968 is a wasteful number, since it uses less digits than its factorization.

7543528968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314313716 (or 314313712 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 57.

The square root of 7543528968 is about 86853.4913978707. The cubic root of 7543528968 is about 1961.2134100993.

The spelling of 7543528968 in words is "seven billion, five hundred forty-three million, five hundred twenty-eight thousand, nine hundred sixty-eight".