63249370 has 16 divisors (see below), whose sum is σ = 114605568. Its totient is φ = 25131600.

The previous prime is 63249359. The next prime is 63249371. The reversal of 63249370 is 7394236.

It is not an unprimeable number, because it can be changed into a prime (63249371) 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, 19434 + ... + 22453.

It is an arithmetic number, because the mean of its divisors is an integer number (7162848).

Almost surely, 2^63249370 is an apocalyptic number.

63249370 is a deficient number, since it is larger than the sum of its proper divisors (51356198).

63249370 is a wasteful number, since it uses less digits than its factorization.

63249370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42045.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 63249370 is about 7952.9472524342. The cubic root of 63249370 is about 398.4300335753.

The spelling of 63249370 in words is "sixty-three million, two hundred forty-nine thousand, three hundred seventy".