700738081 has 4 divisors (see below), whose sum is σ = 702402964. Its totient is φ = 699073200.

The previous prime is 700738067. The next prime is 700738111. The reversal of 700738081 is 180837007.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 364199056 + 336539025 = 19084^2 + 18345^2 .

It is a cyclic number.

It is not a de Polignac number, because 700738081 - 2⁷ = 700737953 is a prime.

It is a super-2 number, since 2×700738081² = 982067716327125122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (700738681) 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, 831810 + ... + 832651.

It is an arithmetic number, because the mean of its divisors is an integer number (175600741).

Almost surely, 2^700738081 is an apocalyptic number.

It is an amenable number.

700738081 is a deficient number, since it is larger than the sum of its proper divisors (1664883).

700738081 is a wasteful number, since it uses less digits than its factorization.

700738081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1664882.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 700738081 is about 26471.4578555848. The cubic root of 700738081 is about 888.2159612074.

The spelling of 700738081 in words is "seven hundred million, seven hundred thirty-eight thousand, eighty-one".