63399370 has 8 divisors (see below), whose sum is σ = 114118884. Its totient is φ = 25359744.

The previous prime is 63399367. The next prime is 63399377. The reversal of 63399370 is 7399336.

It can be written as a sum of positive squares in 2 ways, for example, as 63059481 + 339889 = 7941^2 + 583^2 .

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

It is not an unprimeable number, because it can be changed into a prime (63399377) 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, 3169959 + ... + 3169978.

Almost surely, 2^63399370 is an apocalyptic number.

63399370 is a deficient number, since it is larger than the sum of its proper divisors (50719514).

63399370 is a wasteful number, since it uses less digits than its factorization.

63399370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6339944.

The product of its (nonzero) digits is 91854, while the sum is 40.

The square root of 63399370 is about 7962.3721339812. The cubic root of 63399370 is about 398.7447525048.

The spelling of 63399370 in words is "sixty-three million, three hundred ninety-nine thousand, three hundred seventy".