63679371 has 12 divisors (see below), whose sum is σ = 98768232. Its totient is φ = 36388128.

The previous prime is 63679367. The next prime is 63679379. The reversal of 63679371 is 17397636.

It is not a de Polignac number, because 63679371 - 2² = 63679367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63679379) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216450 + ... + 216743.

It is an arithmetic number, because the mean of its divisors is an integer number (8230686).

Almost surely, 2^63679371 is an apocalyptic number.

63679371 is a deficient number, since it is larger than the sum of its proper divisors (35088861).

63679371 is a wasteful number, since it uses less digits than its factorization.

63679371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433210 (or 433203 counting only the distinct ones).

The product of its digits is 142884, while the sum is 42.

The square root of 63679371 is about 7979.9355260553. The cubic root of 63679371 is about 399.3309043181.

The spelling of 63679371 in words is "sixty-three million, six hundred seventy-nine thousand, three hundred seventy-one".