4187067421 has 8 divisors (see below), whose sum is σ = 4331993600. Its totient is φ = 4042757520.

The previous prime is 4187067341. The next prime is 4187067431. The reversal of 4187067421 is 1247607814.

It is a happy number.

4187067421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4187067421 - 2¹⁵ = 4187034653 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 (4187067431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140226 + ... + 167443.

It is an arithmetic number, because the mean of its divisors is an integer number (541499200).

Almost surely, 2^4187067421 is an apocalyptic number.

It is an amenable number.

4187067421 is a deficient number, since it is larger than the sum of its proper divisors (144926179).

4187067421 is a wasteful number, since it uses less digits than its factorization.

4187067421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308139.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 4187067421 is about 64707.5530444476. The cubic root of 4187067421 is about 1611.7709280335.

The spelling of 4187067421 in words is "four billion, one hundred eighty-seven million, sixty-seven thousand, four hundred twenty-one".