3721540650 has 48 divisors (see below), whose sum is σ = 9252586368. Its totient is φ = 989920000.

The previous prime is 3721540649. The next prime is 3721540709. The reversal of 3721540650 is 560451273.

3721540650 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29215 + ... + 91085.

It is an arithmetic number, because the mean of its divisors is an integer number (192762216).

Almost surely, 2^3721540650 is an apocalyptic number.

3721540650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3721540650 is an abundant number, since it is smaller than the sum of its proper divisors (5531045718).

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

3721540650 is a wasteful number, since it uses less digits than its factorization.

3721540650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62287 (or 62282 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 3721540650 is about 61004.4313964158. The cubic root of 3721540650 is about 1549.6760543960.

The spelling of 3721540650 in words is "three billion, seven hundred twenty-one million, five hundred forty thousand, six hundred fifty".