4191420672 has 108 divisors (see below), whose sum is σ = 12721079280. Its totient is φ = 1323592704.

The previous prime is 4191420647. The next prime is 4191420697. The reversal of 4191420672 is 2760241914.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4191420647) and next prime (4191420697).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4098 + ... + 91649.

Almost surely, 2^4191420672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4191420672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6360539640).

4191420672 is an abundant number, since it is smaller than the sum of its proper divisors (8529658608).

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

4191420672 is a wasteful number, since it uses less digits than its factorization.

4191420672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95788 (or 95771 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 4191420672 is about 64741.1821949522. The cubic root of 4191420672 is about 1612.3293151226.

The spelling of 4191420672 in words is "four billion, one hundred ninety-one million, four hundred twenty thousand, six hundred seventy-two".