667576348 has 12 divisors (see below), whose sum is σ = 1199833432. Its totient is φ = 324766800.

The previous prime is 667576339. The next prime is 667576363. The reversal of 667576348 is 843675766.

It is a happy number.

It is a super-4 number, since 4×667576348⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 667576295 and 667576304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2255178 + ... + 2255473.

Almost surely, 2^667576348 is an apocalyptic number.

It is an amenable number.

667576348 is a deficient number, since it is larger than the sum of its proper divisors (532257084).

667576348 is a wasteful number, since it uses less digits than its factorization.

667576348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510692 (or 4510690 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 52.

The square root of 667576348 is about 25837.4988727624. The cubic root of 667576348 is about 873.9776240678.

The spelling of 667576348 in words is "six hundred sixty-seven million, five hundred seventy-six thousand, three hundred forty-eight".