710361981 has 20 divisors (see below), whose sum is σ = 1212752992. Its totient is φ = 405920808.

The previous prime is 710361961. The next prime is 710361991. The reversal of 710361981 is 189163017.

It is not a de Polignac number, because 710361981 - 2¹⁸ = 710099837 is a prime.

It is a super-2 number, since 2×710361981² = 1009228288100488722, which contains 22 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 (710361961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 625855 + ... + 626988.

Almost surely, 2^710361981 is an apocalyptic number.

It is an amenable number.

710361981 is a deficient number, since it is larger than the sum of its proper divisors (502391011).

710361981 is a wasteful number, since it uses less digits than its factorization.

710361981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252862 (or 1252853 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 710361981 is about 26652.6167758440. The cubic root of 710361981 is about 892.2637239107.

The spelling of 710361981 in words is "seven hundred ten million, three hundred sixty-one thousand, nine hundred eighty-one".