667307703 has 4 divisors (see below), whose sum is σ = 889743608. Its totient is φ = 444871800.

The previous prime is 667307699. The next prime is 667307743. The reversal of 667307703 is 307703766.

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

It is not a de Polignac number, because 667307703 - 2² = 667307699 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 (667307743) 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, 111217948 + ... + 111217953.

It is an arithmetic number, because the mean of its divisors is an integer number (222435902).

Almost surely, 2^667307703 is an apocalyptic number.

667307703 is a deficient number, since it is larger than the sum of its proper divisors (222435905).

667307703 is a wasteful number, since it uses less digits than its factorization.

667307703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222435904.

The product of its (nonzero) digits is 111132, while the sum is 39.

The square root of 667307703 is about 25832.2996072746. The cubic root of 667307703 is about 873.8603734486.

The spelling of 667307703 in words is "six hundred sixty-seven million, three hundred seven thousand, seven hundred three".