667373412 has 24 divisors (see below), whose sum is σ = 1557704512. Its totient is φ = 222386400.

The previous prime is 667373411. The next prime is 667373419. The reversal of 667373412 is 214373766.

It is not an unprimeable number, because it can be changed into a prime (667373411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41337 + ... + 55167.

Almost surely, 2^667373412 is an apocalyptic number.

It is an amenable number.

667373412 is an abundant number, since it is smaller than the sum of its proper divisors (890331100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667373412 is a wasteful number, since it uses less digits than its factorization.

667373412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17859 (or 17857 counting only the distinct ones).

The product of its digits is 127008, while the sum is 39.

The square root of 667373412 is about 25833.5714139567. The cubic root of 667373412 is about 873.8890551729.

The spelling of 667373412 in words is "six hundred sixty-seven million, three hundred seventy-three thousand, four hundred twelve".