662001007 has 4 divisors (see below), whose sum is σ = 662355576. Its totient is φ = 661646440.

The previous prime is 662000981. The next prime is 662001017. The reversal of 662001007 is 700100266.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662001007 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 (662001017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174469 + ... + 178222.

It is an arithmetic number, because the mean of its divisors is an integer number (165588894).

Almost surely, 2^662001007 is an apocalyptic number.

662001007 is a deficient number, since it is larger than the sum of its proper divisors (354569).

662001007 is a wasteful number, since it uses less digits than its factorization.

662001007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354568.

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

The square root of 662001007 is about 25729.3802296130. The cubic root of 662001007 is about 871.5377774875.

The spelling of 662001007 in words is "six hundred sixty-two million, one thousand, seven".