710249021 has 4 divisors (see below), whose sum is σ = 722287200. Its totient is φ = 698210844.

The previous prime is 710249009. The next prime is 710249041. The reversal of 710249021 is 120942017.

710249021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120942017 = 7 ⋅17277431.

It is a cyclic number.

It is not a de Polignac number, because 710249021 - 2¹⁰ = 710247997 is a prime.

It is a super-4 number, since 4×710249021⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (710249041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6019001 + ... + 6019118.

It is an arithmetic number, because the mean of its divisors is an integer number (180571800).

Almost surely, 2^710249021 is an apocalyptic number.

It is an amenable number.

710249021 is a deficient number, since it is larger than the sum of its proper divisors (12038179).

710249021 is a wasteful number, since it uses less digits than its factorization.

710249021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12038178.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 710249021 is about 26650.4975750923. The cubic root of 710249021 is about 892.2164262156.

The spelling of 710249021 in words is "seven hundred ten million, two hundred forty-nine thousand, twenty-one".