421308071 has 8 divisors (see below), whose sum is σ = 443683200. Its totient is φ = 398953080.

The previous prime is 421308053. The next prime is 421308119. The reversal of 421308071 is 170803124.

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 421308071 - 2²⁶ = 354199207 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 421308071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421308031) 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, 58760 + ... + 65538.

It is an arithmetic number, because the mean of its divisors is an integer number (55460400).

Almost surely, 2^421308071 is an apocalyptic number.

421308071 is a deficient number, since it is larger than the sum of its proper divisors (22375129).

421308071 is a wasteful number, since it uses less digits than its factorization.

421308071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 421308071 is about 20525.7903867305. The cubic root of 421308071 is about 749.6638914713.

The spelling of 421308071 in words is "four hundred twenty-one million, three hundred eight thousand, seventy-one".