3720738819 has 32 divisors (see below), whose sum is σ = 5921049600. Its totient is φ = 2032031232.

The previous prime is 3720738817. The next prime is 3720738841. The reversal of 3720738819 is 9188370273.

It is not a de Polignac number, because 3720738819 - 2¹ = 3720738817 is a prime.

It is a super-2 number, since 2×3720738819² = 27687794718427029522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3720738817) 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 31 ways as a sum of consecutive naturals, for example, 798007 + ... + 802655.

It is an arithmetic number, because the mean of its divisors is an integer number (185032800).

Almost surely, 2^3720738819 is an apocalyptic number.

3720738819 is a deficient number, since it is larger than the sum of its proper divisors (2200310781).

3720738819 is a wasteful number, since it uses less digits than its factorization.

3720738819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 3720738819 is about 60997.8591345631. The cubic root of 3720738819 is about 1549.5647503539.

The spelling of 3720738819 in words is "three billion, seven hundred twenty million, seven hundred thirty-eight thousand, eight hundred nineteen".