667713371 has 48 divisors (see below), whose sum is σ = 817437600. Its totient is φ = 539965440.

The previous prime is 667713367. The next prime is 667713373. The reversal of 667713371 is 173317766.

It is a happy number.

It is not a de Polignac number, because 667713371 - 2² = 667713367 is a prime.

It is a super-2 number, since 2×667713371² = 891682291624367282, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (111132) is a multiple of the sum of its prime divisors (189).

It is not an unprimeable number, because it can be changed into a prime (667713373) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6883595 + ... + 6883691.

It is an arithmetic number, because the mean of its divisors is an integer number (17029950).

Almost surely, 2^667713371 is an apocalyptic number.

667713371 is a deficient number, since it is larger than the sum of its proper divisors (149724229).

667713371 is a wasteful number, since it uses less digits than its factorization.

667713371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 189 counting only the distinct ones).

The product of its digits is 111132, while the sum is 41.

The square root of 667713371 is about 25840.1503672096. The cubic root of 667713371 is about 874.0374159023.

The spelling of 667713371 in words is "six hundred sixty-seven million, seven hundred thirteen thousand, three hundred seventy-one".