63679374 has 48 divisors (see below), whose sum is σ = 158446080. Its totient is φ = 18280080.

The previous prime is 63679367. The next prime is 63679379. The reversal of 63679374 is 47397636.

63679374 is a `hidden beast` number, since 636 + 7 + 9 + 3 + 7 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 4702 + ... + 12225.

It is an arithmetic number, because the mean of its divisors is an integer number (3300960).

Almost surely, 2^63679374 is an apocalyptic number.

63679374 is an abundant number, since it is smaller than the sum of its proper divisors (94766706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63679374 is a wasteful number, since it uses less digits than its factorization.

63679374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16965 (or 16962 counting only the distinct ones).

The product of its digits is 571536, while the sum is 45.

The square root of 63679374 is about 7979.9357140268. The cubic root of 63679374 is about 399.3309105891.

The spelling of 63679374 in words is "sixty-three million, six hundred seventy-nine thousand, three hundred seventy-four".