63730275 has 48 divisors (see below), whose sum is σ = 126777600. Its totient is φ = 27596160.

The previous prime is 63730273. The next prime is 63730279. The reversal of 63730275 is 57203736.

It is not a de Polignac number, because 63730275 - 2¹ = 63730273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63730273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6781 + ... + 13169.

It is an arithmetic number, because the mean of its divisors is an integer number (2641200).

Almost surely, 2^63730275 is an apocalyptic number.

63730275 is a deficient number, since it is larger than the sum of its proper divisors (63047325).

63730275 is a wasteful number, since it uses less digits than its factorization.

63730275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428 (or 6423 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 33.

The square root of 63730275 is about 7983.1243883582. The cubic root of 63730275 is about 399.4372816581.

The spelling of 63730275 in words is "sixty-three million, seven hundred thirty thousand, two hundred seventy-five".