63406902 has 32 divisors (see below), whose sum is σ = 136872288. Its totient is φ = 19466496.

The previous prime is 63406841. The next prime is 63406943. The reversal of 63406902 is 20960436.

It is a self number, because there is not a number n which added to its sum of digits gives 63406902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66058 + ... + 67010.

It is an arithmetic number, because the mean of its divisors is an integer number (4277259).

Almost surely, 2^63406902 is an apocalyptic number.

63406902 is an abundant number, since it is smaller than the sum of its proper divisors (73465386).

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

63406902 is a wasteful number, since it uses less digits than its factorization.

63406902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 63406902 is about 7962.8450945626. The cubic root of 63406902 is about 398.7605424963.

The spelling of 63406902 in words is "sixty-three million, four hundred six thousand, nine hundred two".