63742466 has 8 divisors (see below), whose sum is σ = 95736060. Its totient is φ = 31830448.

The previous prime is 63742463. The next prime is 63742487. The reversal of 63742466 is 66424736.

It can be written as a sum of positive squares in 2 ways, for example, as 61293241 + 2449225 = 7829^2 + 1565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×63742466² = 8126203943522312, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63742463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18401 + ... + 21588.

Almost surely, 2^63742466 is an apocalyptic number.

63742466 is a deficient number, since it is larger than the sum of its proper divisors (31993594).

63742466 is a wasteful number, since it uses less digits than its factorization.

63742466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40788.

The product of its digits is 145152, while the sum is 38.

The square root of 63742466 is about 7983.8879000146. The cubic root of 63742466 is about 399.4627495613.

The spelling of 63742466 in words is "sixty-three million, seven hundred forty-two thousand, four hundred sixty-six".