3696273728 has 56 divisors (see below), whose sum is σ = 8389144512. Its totient is φ = 1582884864.

The previous prime is 3696273727. The next prime is 3696273733. The reversal of 3696273728 is 8273726963.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 3696273728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3696273727) 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, 793775 + ... + 798417.

It is an arithmetic number, because the mean of its divisors is an integer number (149806152).

Almost surely, 2^3696273728 is an apocalyptic number.

It is an amenable number.

3696273728 is an abundant number, since it is smaller than the sum of its proper divisors (4692870784).

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

3696273728 is a wasteful number, since it uses less digits than its factorization.

3696273728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439 (or 6429 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 53.

The square root of 3696273728 is about 60796.9878201215. The cubic root of 3696273728 is about 1546.1609784917.

The spelling of 3696273728 in words is "three billion, six hundred ninety-six million, two hundred seventy-three thousand, seven hundred twenty-eight".