7491728050 has 96 divisors (see below), whose sum is σ = 14716468800. Its totient is φ = 2833608960.

The previous prime is 7491728047. The next prime is 7491728051. The reversal of 7491728050 is 508271947.

It is a super-2 number, since 2×7491728050² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7491727988 and 7491728006.

It is not an unprimeable number, because it can be changed into a prime (7491728051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16911129 + ... + 16911571.

It is an arithmetic number, because the mean of its divisors is an integer number (153296550).

Almost surely, 2^7491728050 is an apocalyptic number.

7491728050 is a deficient number, since it is larger than the sum of its proper divisors (7224740750).

7491728050 is a wasteful number, since it uses less digits than its factorization.

7491728050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 7491728050 is about 86554.7690771572. The cubic root of 7491728050 is about 1956.7139205342.

Adding to 7491728050 its reverse (508271947), we get a palindrome (7999999997).

The spelling of 7491728050 in words is "seven billion, four hundred ninety-one million, seven hundred twenty-eight thousand, fifty".