710647421 has 4 divisors (see below), whose sum is σ = 775251744. Its totient is φ = 646043100.

The previous prime is 710647403. The next prime is 710647439. The reversal of 710647421 is 124746017.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (710647403) and next prime (710647439).

It is a cyclic number.

It is not a de Polignac number, because 710647421 - 2¹⁰ = 710646397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (710647471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32302145 + ... + 32302166.

It is an arithmetic number, because the mean of its divisors is an integer number (193812936).

Almost surely, 2^710647421 is an apocalyptic number.

It is an amenable number.

710647421 is a deficient number, since it is larger than the sum of its proper divisors (64604323).

710647421 is a wasteful number, since it uses less digits than its factorization.

710647421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64604322.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 710647421 is about 26657.9710593286. The cubic root of 710647421 is about 892.3832186935.

The spelling of 710647421 in words is "seven hundred ten million, six hundred forty-seven thousand, four hundred twenty-one".