63574479 has 12 divisors (see below), whose sum is σ = 92777776. Its totient is φ = 41945472.

The previous prime is 63574463. The next prime is 63574501. The reversal of 63574479 is 97447536.

63574479 is a `hidden beast` number, since 6 + 3 + 574 + 4 + 79 = 666.

It is not a de Polignac number, because 63574479 - 2⁴ = 63574463 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 (63574429) 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, 35539 + ... + 37284.

Almost surely, 2^63574479 is an apocalyptic number.

63574479 is a deficient number, since it is larger than the sum of its proper divisors (29203297).

63574479 is a wasteful number, since it uses less digits than its factorization.

63574479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72926 (or 72923 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 63574479 is about 7973.3605838442. The cubic root of 63574479 is about 399.1115259123. Note that the first 3 decimals are identical.

The spelling of 63574479 in words is "sixty-three million, five hundred seventy-four thousand, four hundred seventy-nine".