66675374 has 8 divisors (see below), whose sum is σ = 100108008. Its totient is φ = 33306040.

The previous prime is 66675361. The next prime is 66675383. The reversal of 66675374 is 47357666.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 13097 + ... + 17460.

It is an arithmetic number, because the mean of its divisors is an integer number (12513501).

Almost surely, 2^66675374 is an apocalyptic number.

66675374 is a deficient number, since it is larger than the sum of its proper divisors (33432634).

66675374 is a wasteful number, since it uses less digits than its factorization.

66675374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31650.

The product of its digits is 635040, while the sum is 44.

The square root of 66675374 is about 8165.4990049598. The cubic root of 66675374 is about 405.4977855231.

The spelling of 66675374 in words is "sixty-six million, six hundred seventy-five thousand, three hundred seventy-four".