4067780321 has 8 divisors (see below), whose sum is σ = 4450153824. Its totient is φ = 3687502720.

The previous prime is 4067780287. The next prime is 4067780329. The reversal of 4067780321 is 1230877604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4067780321 - 2¹⁴ = 4067763937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4067780329) 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, 519911 + ... + 527676.

It is an arithmetic number, because the mean of its divisors is an integer number (556269228).

Almost surely, 2^4067780321 is an apocalyptic number.

It is an amenable number.

4067780321 is a deficient number, since it is larger than the sum of its proper divisors (382373503).

4067780321 is a wasteful number, since it uses less digits than its factorization.

4067780321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047951.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 4067780321 is about 63779.1527146606. The cubic root of 4067780321 is about 1596.3170917514.

The spelling of 4067780321 in words is "four billion, sixty-seven million, seven hundred eighty thousand, three hundred twenty-one".