670621366 has 8 divisors (see below), whose sum is σ = 1007333280. Its totient is φ = 334843608.

The previous prime is 670621363. The next prime is 670621381. The reversal of 670621366 is 663126076.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670621363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231741 + ... + 234616.

It is an arithmetic number, because the mean of its divisors is an integer number (125916660).

Almost surely, 2^670621366 is an apocalyptic number.

670621366 is a deficient number, since it is larger than the sum of its proper divisors (336711914).

670621366 is a wasteful number, since it uses less digits than its factorization.

670621366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467078.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 670621366 is about 25896.3581609461. The cubic root of 670621366 is about 875.3044343667.

The spelling of 670621366 in words is "six hundred seventy million, six hundred twenty-one thousand, three hundred sixty-six".