3704067921 has 16 divisors (see below), whose sum is σ = 4957863680. Its totient is φ = 2459842560.

The previous prime is 3704067919. The next prime is 3704067947. The reversal of 3704067921 is 1297604073.

It is not a de Polignac number, because 3704067921 - 2¹ = 3704067919 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3704067921.

It is not an unprimeable number, because it can be changed into a prime (3704067971) 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, 1376145 + ... + 1378833.

It is an arithmetic number, because the mean of its divisors is an integer number (309866480).

Almost surely, 2^3704067921 is an apocalyptic number.

It is an amenable number.

3704067921 is a deficient number, since it is larger than the sum of its proper divisors (1253795759).

3704067921 is a wasteful number, since it uses less digits than its factorization.

3704067921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 3704067921 is about 60861.0542218914. The cubic root of 3704067921 is about 1547.2469926166.

The spelling of 3704067921 in words is "three billion, seven hundred four million, sixty-seven thousand, nine hundred twenty-one".