3721331241 has 80 divisors (see below), whose sum is σ = 6106415040. Its totient is φ = 2250218880.

The previous prime is 3721331231. The next prime is 3721331281. The reversal of 3721331241 is 1421331273.

It is a happy number.

3721331241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3721331241 - 2⁵ = 3721331209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3721331231) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3506851 + ... + 3507911.

It is an arithmetic number, because the mean of its divisors is an integer number (76330188).

Almost surely, 2^3721331241 is an apocalyptic number.

It is an amenable number.

3721331241 is a deficient number, since it is larger than the sum of its proper divisors (2385083799).

3721331241 is a wasteful number, since it uses less digits than its factorization.

3721331241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1179 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 3721331241 is about 61002.7150297427. The cubic root of 3721331241 is about 1549.6469873841.

The spelling of 3721331241 in words is "three billion, seven hundred twenty-one million, three hundred thirty-one thousand, two hundred forty-one".