63240394 has 16 divisors (see below), whose sum is σ = 108883008. Its totient is φ = 26985312.

The previous prime is 63240371. The next prime is 63240407. The reversal of 63240394 is 49304236.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6432 + ... + 12955.

It is an arithmetic number, because the mean of its divisors is an integer number (6805188).

Almost surely, 2^63240394 is an apocalyptic number.

63240394 is a deficient number, since it is larger than the sum of its proper divisors (45642614).

63240394 is a wasteful number, since it uses less digits than its factorization.

63240394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19629.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 63240394 is about 7952.3829133160. The cubic root of 63240394 is about 398.4111850230.

The spelling of 63240394 in words is "sixty-three million, two hundred forty thousand, three hundred ninety-four".