63662406 has 48 divisors (see below), whose sum is σ = 134460144. Its totient is φ = 20088000.

The previous prime is 63662383. The next prime is 63662419. The reversal of 63662406 is 60426636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351636 + ... + 351816.

It is an arithmetic number, because the mean of its divisors is an integer number (2801253).

Almost surely, 2^63662406 is an apocalyptic number.

63662406 is an abundant number, since it is smaller than the sum of its proper divisors (70797738).

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

63662406 is a wasteful number, since it uses less digits than its factorization.

63662406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 63662406 is about 7978.8724767350. The cubic root of 63662406 is about 399.2954388794.

The spelling of 63662406 in words is "sixty-three million, six hundred sixty-two thousand, four hundred six".