63406072 has 8 divisors (see below), whose sum is σ = 118886400. Its totient is φ = 31703032.

The previous prime is 63406051. The next prime is 63406099. The reversal of 63406072 is 27060436.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 63406072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3962872 + ... + 3962887.

It is an arithmetic number, because the mean of its divisors is an integer number (14860800).

Almost surely, 2^63406072 is an apocalyptic number.

It is an amenable number.

63406072 is a deficient number, since it is larger than the sum of its proper divisors (55480328).

63406072 is a wasteful number, since it uses less digits than its factorization.

63406072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7925765 (or 7925761 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 63406072 is about 7962.7929773416. The cubic root of 63406072 is about 398.7588025559.

The spelling of 63406072 in words is "sixty-three million, four hundred six thousand, seventy-two".