63679394 has 16 divisors (see below), whose sum is σ = 100465920. Its totient is φ = 30229680.

The previous prime is 63679379. The next prime is 63679409. The reversal of 63679394 is 49397636.

It is an interprime number because it is at equal distance from previous prime (63679379) and next prime (63679409).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6404 + ... + 12975.

It is an arithmetic number, because the mean of its divisors is an integer number (6279120).

Almost surely, 2^63679394 is an apocalyptic number.

63679394 is a deficient number, since it is larger than the sum of its proper divisors (36786526).

63679394 is a wasteful number, since it uses less digits than its factorization.

63679394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19465.

The product of its digits is 734832, while the sum is 47.

The square root of 63679394 is about 7979.9369671696. The cubic root of 63679394 is about 399.3309523955.

The spelling of 63679394 in words is "sixty-three million, six hundred seventy-nine thousand, three hundred ninety-four".