3728072326 has 32 divisors (see below), whose sum is σ = 6139330848. Its totient is φ = 1683824640.

The previous prime is 3728072321. The next prime is 3728072329. The reversal of 3728072326 is 6232708273.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3728072321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4370116 + ... + 4370968.

It is an arithmetic number, because the mean of its divisors is an integer number (191854089).

Almost surely, 2^3728072326 is an apocalyptic number.

3728072326 is a deficient number, since it is larger than the sum of its proper divisors (2411258522).

3728072326 is a wasteful number, since it uses less digits than its factorization.

3728072326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 3728072326 is about 61057.9423662475. The cubic root of 3728072326 is about 1550.5821366627.

The spelling of 3728072326 in words is "three billion, seven hundred twenty-eight million, seventy-two thousand, three hundred twenty-six".