3673739520 has 432 divisors, whose sum is σ = 14153735232. Its totient is φ = 872202240.

The previous prime is 3673739519. The next prime is 3673739521. The reversal of 3673739520 is 259373763.

3673739520 is a `hidden beast` number, since 3 + 67 + 37 + 39 + 520 = 666.

It is an interprime number because it is at equal distance from previous prime (3673739519) and next prime (3673739521).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3673739521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6715887 + ... + 6716433.

It is an arithmetic number, because the mean of its divisors is an integer number (32763276).

Almost surely, 2^3673739520 is an apocalyptic number.

3673739520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3673739520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7076867616).

3673739520 is an abundant number, since it is smaller than the sum of its proper divisors (10479995712).

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

3673739520 is a wasteful number, since it uses less digits than its factorization.

3673739520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 45.

The square root of 3673739520 is about 60611.3811094913. The cubic root of 3673739520 is about 1543.0125322624.

The spelling of 3673739520 in words is "three billion, six hundred seventy-three million, seven hundred thirty-nine thousand, five hundred twenty".