3721329901 has 8 divisors (see below), whose sum is σ = 3735673344. Its totient is φ = 3707002320.

The previous prime is 3721329889. The next prime is 3721329943. The reversal of 3721329901 is 1099231273.

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 3721329901 - 2⁹ = 3721329389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3721329401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685540 + ... + 690946.

It is an arithmetic number, because the mean of its divisors is an integer number (466959168).

Almost surely, 2^3721329901 is an apocalyptic number.

It is an amenable number.

3721329901 is a deficient number, since it is larger than the sum of its proper divisors (14343443).

3721329901 is a wasteful number, since it uses less digits than its factorization.

3721329901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7931.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 3721329901 is about 61002.7040466240. The cubic root of 3721329901 is about 1549.6468013819.

The spelling of 3721329901 in words is "three billion, seven hundred twenty-one million, three hundred twenty-nine thousand, nine hundred one".