3720738847 has 8 divisors (see below), whose sum is σ = 4502406816. Its totient is φ = 3001604352.

The previous prime is 3720738841. The next prime is 3720738863. The reversal of 3720738847 is 7488370273.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3720738847 - 2¹⁵ = 3720706079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3720738847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720738841) 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, 15633238 + ... + 15633475.

It is an arithmetic number, because the mean of its divisors is an integer number (562800852).

Almost surely, 2^3720738847 is an apocalyptic number.

3720738847 is a deficient number, since it is larger than the sum of its proper divisors (781667969).

3720738847 is a wasteful number, since it uses less digits than its factorization.

3720738847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31266737.

The product of its (nonzero) digits is 1580544, while the sum is 49.

The square root of 3720738847 is about 60997.8593640793. The cubic root of 3720738847 is about 1549.5647542410.

The spelling of 3720738847 in words is "three billion, seven hundred twenty million, seven hundred thirty-eight thousand, eight hundred forty-seven".