63670417 has 16 divisors (see below), whose sum is σ = 68584320. Its totient is φ = 58960000.

The previous prime is 63670403. The next prime is 63670427. The reversal of 63670417 is 71407636.

It is a cyclic number.

It is not a de Polignac number, because 63670417 - 2¹⁹ = 63146129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63670427) 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, 236559 + ... + 236827.

It is an arithmetic number, because the mean of its divisors is an integer number (4286520).

Almost surely, 2^63670417 is an apocalyptic number.

It is an amenable number.

63670417 is a deficient number, since it is larger than the sum of its proper divisors (4913903).

63670417 is a wasteful number, since it uses less digits than its factorization.

63670417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 63670417 is about 7979.3744742304. The cubic root of 63670417 is about 399.3121867101.

The spelling of 63670417 in words is "sixty-three million, six hundred seventy thousand, four hundred seventeen".