63730 has 8 divisors (see below), whose sum is σ = 114732. Its totient is φ = 25488.

The previous prime is 63727. The next prime is 63737. The reversal of 63730 is 3736.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 63001 + 729 = 251^2 + 27^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 63698 and 63707.

It is not an unprimeable number, because it can be changed into a prime (63737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3177 + ... + 3196.

2⁶³⁷³⁰ is an apocalyptic number.

63730 is a deficient number, since it is larger than the sum of its proper divisors (51002).

63730 is a wasteful number, since it uses less digits than its factorization.

63730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 63730 is about 252.4480144505. The cubic root of 63730 is about 39.9436707125.

It can be divided in two parts, 637 and 30, that multiplied together give a triangular number (19110 = T₁₉₅).

The spelling of 63730 in words is "sixty-three thousand, seven hundred thirty".