63679393 has 8 divisors (see below), whose sum is σ = 67104800. Its totient is φ = 60261408.

The previous prime is 63679379. The next prime is 63679409. The reversal of 63679393 is 39397636.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 63679393 - 2⁵ = 63679361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63679193) 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, 29530 + ... + 31612.

It is an arithmetic number, because the mean of its divisors is an integer number (8388100).

Almost surely, 2^63679393 is an apocalyptic number.

It is an amenable number.

63679393 is a deficient number, since it is larger than the sum of its proper divisors (3425407).

63679393 is a wasteful number, since it uses less digits than its factorization.

63679393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711.

The product of its digits is 551124, while the sum is 46.

The square root of 63679393 is about 7979.9369045125. The cubic root of 63679393 is about 399.3309503052.

The spelling of 63679393 in words is "sixty-three million, six hundred seventy-nine thousand, three hundred ninety-three".