667474014 has 16 divisors (see below), whose sum is σ = 1367508240. Its totient is φ = 217064640.

The previous prime is 667473991. The next prime is 667474019. The reversal of 667474014 is 410474766.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667474019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1356409 + ... + 1356900.

It is an arithmetic number, because the mean of its divisors is an integer number (85469265).

Almost surely, 2^667474014 is an apocalyptic number.

667474014 is an abundant number, since it is smaller than the sum of its proper divisors (700034226).

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

667474014 is a wasteful number, since it uses less digits than its factorization.

667474014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713355.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 667474014 is about 25835.5184581227. The cubic root of 667474014 is about 873.9329639093.

The spelling of 667474014 in words is "six hundred sixty-seven million, four hundred seventy-four thousand, fourteen".