3729320 has 64 divisors (see below), whose sum is σ = 10108800. Its totient is φ = 1209600.

The previous prime is 3729317. The next prime is 3729329. The reversal of 3729320 is 239273.

It is a self number, because there is not a number n which added to its sum of digits gives 3729320.

It is not an unprimeable number, because it can be changed into a prime (3729329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4970 + ... + 5670.

It is an arithmetic number, because the mean of its divisors is an integer number (157950).

Almost surely, 2^3729320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3729320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5054400).

3729320 is an abundant number, since it is smaller than the sum of its proper divisors (6379480).

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

3729320 is a wasteful number, since it uses less digits than its factorization.

3729320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 3729320 is about 1931.1447382317. The cubic root of 3729320 is about 155.0755095149.

The spelling of 3729320 in words is "three million, seven hundred twenty-nine thousand, three hundred twenty".