670669441 has 16 divisors (see below), whose sum is σ = 736077888. Its totient is φ = 607291200.

The previous prime is 670669427. The next prime is 670669453. The reversal of 670669441 is 144966076.

It is a cyclic number.

It is not a de Polignac number, because 670669441 - 2¹⁷ = 670538369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670669411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369426 + ... + 371236.

It is an arithmetic number, because the mean of its divisors is an integer number (46004868).

Almost surely, 2^670669441 is an apocalyptic number.

670669441 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

670669441 is a deficient number, since it is larger than the sum of its proper divisors (65408447).

670669441 is a wasteful number, since it uses less digits than its factorization.

670669441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 670669441 is about 25897.2863636328. The cubic root of 670669441 is about 875.3253499222.

The spelling of 670669441 in words is "six hundred seventy million, six hundred sixty-nine thousand, four hundred forty-one".