63672479 has 8 divisors (see below), whose sum is σ = 68691840. Its totient is φ = 58670496.

The previous prime is 63672473. The next prime is 63672491. The reversal of 63672479 is 97427636.

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 a de Polignac number, because none of the positive numbers 2^k-63672479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63672473) 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, 3857 + ... + 11925.

It is an arithmetic number, because the mean of its divisors is an integer number (8586480).

Almost surely, 2^63672479 is an apocalyptic number.

63672479 is a deficient number, since it is larger than the sum of its proper divisors (5019361).

63672479 is a wasteful number, since it uses less digits than its factorization.

63672479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8689.

The product of its digits is 381024, while the sum is 44.

The square root of 63672479 is about 7979.5036813075. The cubic root of 63672479 is about 399.3164973088.

The spelling of 63672479 in words is "sixty-three million, six hundred seventy-two thousand, four hundred seventy-nine".