7261711728 has 20 divisors (see below), whose sum is σ = 18759422088. Its totient is φ = 2420570560.

The previous prime is 7261711727. The next prime is 7261711747. The reversal of 7261711728 is 8271171627.

It is a self number, because there is not a number n which added to its sum of digits gives 7261711728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7261711727) 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 3 ways as a sum of consecutive naturals, for example, 75642783 + ... + 75642878.

Almost surely, 2^7261711728 is an apocalyptic number.

It is an amenable number.

7261711728 is an abundant number, since it is smaller than the sum of its proper divisors (11497710360).

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

7261711728 is a wasteful number, since it uses less digits than its factorization.

7261711728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151285672 (or 151285666 counting only the distinct ones).

The product of its digits is 65856, while the sum is 42.

The square root of 7261711728 is about 85215.6777124961. The cubic root of 7261711728 is about 1936.4799355980.

The spelling of 7261711728 in words is "seven billion, two hundred sixty-one million, seven hundred eleven thousand, seven hundred twenty-eight".