662071 has 8 divisors (see below), whose sum is σ = 689040. Its totient is φ = 635712.

The previous prime is 662063. The next prime is 662083. The reversal of 662071 is 170266.

662071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 662071 - 2³ = 662063 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 (662021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3741 + ... + 3913.

It is an arithmetic number, because the mean of its divisors is an integer number (86130).

2⁶⁶²⁰⁷¹ is an apocalyptic number.

662071 is a deficient number, since it is larger than the sum of its proper divisors (26969).

662071 is a wasteful number, since it uses less digits than its factorization.

662071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 662071 is about 813.6774545236. The cubic root of 662071 is about 87.1568492141.

The spelling of 662071 in words is "six hundred sixty-two thousand, seventy-one".