7349131728 has 40 divisors (see below), whose sum is σ = 21094731200. Its totient is φ = 2449710432.

The previous prime is 7349131703. The next prime is 7349131729. The reversal of 7349131728 is 8271319437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7349131729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8505508 + ... + 8506371.

It is an arithmetic number, because the mean of its divisors is an integer number (527368280).

Almost surely, 2^7349131728 is an apocalyptic number.

It is an amenable number.

7349131728 is an abundant number, since it is smaller than the sum of its proper divisors (13745599472).

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

7349131728 is a wasteful number, since it uses less digits than its factorization.

7349131728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17011896 (or 17011884 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 7349131728 is about 85727.0769827130. The cubic root of 7349131728 is about 1944.2197206308.

The spelling of 7349131728 in words is "seven billion, three hundred forty-nine million, one hundred thirty-one thousand, seven hundred twenty-eight".