63364657 has 8 divisors (see below), whose sum is σ = 64482120. Its totient is φ = 62254080.

The previous prime is 63364649. The next prime is 63364703. The reversal of 63364657 is 75646336.

It can be written as a sum of positive squares in 4 ways, for example, as 30371121 + 32993536 = 5511^2 + 5744^2 .

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 63364657 - 2³ = 63364649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63364157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18969 + ... + 22057.

It is an arithmetic number, because the mean of its divisors is an integer number (8060265).

Almost surely, 2^63364657 is an apocalyptic number.

It is an amenable number.

63364657 is a deficient number, since it is larger than the sum of its proper divisors (1117463).

63364657 is a wasteful number, since it uses less digits than its factorization.

63364657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443.

The product of its digits is 272160, while the sum is 40.

The square root of 63364657 is about 7960.1920202970. The cubic root of 63364657 is about 398.6719644335.

The spelling of 63364657 in words is "sixty-three million, three hundred sixty-four thousand, six hundred fifty-seven".