63426406 has 8 divisors (see below), whose sum is σ = 97164000. Its totient is φ = 31038408.

The previous prime is 63426383. The next prime is 63426443. The reversal of 63426406 is 60462436.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337281 + ... + 337468.

It is an arithmetic number, because the mean of its divisors is an integer number (12145500).

Almost surely, 2^63426406 is an apocalyptic number.

63426406 is a deficient number, since it is larger than the sum of its proper divisors (33737594).

63426406 is a wasteful number, since it uses less digits than its factorization.

63426406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674798.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 63426406 is about 7964.0696882938. The cubic root of 63426406 is about 398.8014246299.

The spelling of 63426406 in words is "sixty-three million, four hundred twenty-six thousand, four hundred six".