421007713 has 8 divisors (see below), whose sum is σ = 484664832. Its totient is φ = 358228896.

The previous prime is 421007701. The next prime is 421007731. The reversal of 421007713 is 317700124.

It is a happy number.

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 421007713 - 2¹⁷ = 420876641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421007773) 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, 218545 + ... + 220462.

It is an arithmetic number, because the mean of its divisors is an integer number (60583104).

Almost surely, 2^421007713 is an apocalyptic number.

It is an amenable number.

421007713 is a deficient number, since it is larger than the sum of its proper divisors (63657119).

421007713 is a wasteful number, since it uses less digits than its factorization.

421007713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439151.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 421007713 is about 20518.4724821318. The cubic root of 421007713 is about 749.4856995555.

Adding to 421007713 its reverse (317700124), we get a palindrome (738707837).

The spelling of 421007713 in words is "four hundred twenty-one million, seven thousand, seven hundred thirteen".