63764005 has 8 divisors (see below), whose sum is σ = 76838400. Its totient is φ = 50796816.

The previous prime is 63763963. The next prime is 63764023. The reversal of 63764005 is 50046736.

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

It is a cyclic number.

It is not a de Polignac number, because 63764005 - 2⁷ = 63763877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25485 + ... + 27874.

It is an arithmetic number, because the mean of its divisors is an integer number (9604800).

Almost surely, 2^63764005 is an apocalyptic number.

It is an amenable number.

63764005 is a deficient number, since it is larger than the sum of its proper divisors (13074395).

63764005 is a wasteful number, since it uses less digits than its factorization.

63764005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53603.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 63764005 is about 7985.2366902929. The cubic root of 63764005 is about 399.5077381943.

The spelling of 63764005 in words is "sixty-three million, seven hundred sixty-four thousand, five".