63880734 has 8 divisors (see below), whose sum is σ = 127761480. Its totient is φ = 21293576.

The previous prime is 63880727. The next prime is 63880753. The reversal of 63880734 is 43708836.

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

63880734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 63880692 and 63880701.

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, 5323389 + ... + 5323400.

It is an arithmetic number, because the mean of its divisors is an integer number (15970185).

Almost surely, 2^63880734 is an apocalyptic number.

63880734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63880734 is a wasteful number, since it uses less digits than its factorization.

63880734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10646794.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 63880734 is about 7992.5423990117. The cubic root of 63880734 is about 399.7513746623.

The spelling of 63880734 in words is "sixty-three million, eight hundred eighty thousand, seven hundred thirty-four".