4207168720 has 40 divisors (see below), whose sum is σ = 10097210880. Its totient is φ = 1628580480.

The previous prime is 4207168663. The next prime is 4207168723. The reversal of 4207168720 is 278617024.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 4207168720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4207168723) 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, 845740 + ... + 850699.

It is an arithmetic number, because the mean of its divisors is an integer number (252430272).

Almost surely, 2^4207168720 is an apocalyptic number.

4207168720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4207168720 is an abundant number, since it is smaller than the sum of its proper divisors (5890042160).

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

4207168720 is a wasteful number, since it uses less digits than its factorization.

4207168720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696483 (or 1696477 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 4207168720 is about 64862.6912793479. The cubic root of 4207168720 is about 1614.3460780787.

The spelling of 4207168720 in words is "four billion, two hundred seven million, one hundred sixty-eight thousand, seven hundred twenty".