701663 has 4 divisors (see below), whose sum is σ = 716640. Its totient is φ = 686688.

The previous prime is 701653. The next prime is 701669. The reversal of 701663 is 366107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366107 = 7 ⋅52301.

It is a cyclic number.

It is not a de Polignac number, because 701663 - 2¹⁰ = 700639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 701663.

It is not an unprimeable number, because it can be changed into a prime (701669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7418 + ... + 7511.

It is an arithmetic number, because the mean of its divisors is an integer number (179160).

2⁷⁰¹⁶⁶³ is an apocalyptic number.

701663 is a deficient number, since it is larger than the sum of its proper divisors (14977).

701663 is a wasteful number, since it uses less digits than its factorization.

701663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14976.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 701663 is about 837.6532695573. The cubic root of 701663 is about 88.8606581067.

The spelling of 701663 in words is "seven hundred one thousand, six hundred sixty-three".