421710707 has 16 divisors (see below), whose sum is σ = 477761760. Its totient is φ = 368870400.

The previous prime is 421710703. The next prime is 421710767. The reversal of 421710707 is 707017124.

It is a cyclic number.

It is not a de Polignac number, because 421710707 - 2² = 421710703 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 421710707.

It is not an unprimeable number, because it can be changed into a prime (421710703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26519 + ... + 39327.

It is an arithmetic number, because the mean of its divisors is an integer number (29860110).

Almost surely, 2^421710707 is an apocalyptic number.

421710707 is a deficient number, since it is larger than the sum of its proper divisors (56051053).

421710707 is a wasteful number, since it uses less digits than its factorization.

421710707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12934.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 421710707 is about 20535.5960955605. The cubic root of 421710707 is about 749.9026285441.

The spelling of 421710707 in words is "four hundred twenty-one million, seven hundred ten thousand, seven hundred seven".