63323994 has 32 divisors (see below), whose sum is σ = 131472000. Its totient is φ = 20309184.

The previous prime is 63323987. The next prime is 63323999. The reversal of 63323994 is 49932336.

It is a super-2 number, since 2×63323994² = 8019856432224072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63323999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75972 + ... + 76800.

It is an arithmetic number, because the mean of its divisors is an integer number (4108500).

Almost surely, 2^63323994 is an apocalyptic number.

63323994 is an abundant number, since it is smaller than the sum of its proper divisors (68148006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63323994 is a wasteful number, since it uses less digits than its factorization.

63323994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its digits is 104976, while the sum is 39.

The square root of 63323994 is about 7957.6374634687. The cubic root of 63323994 is about 398.5866662676.

The spelling of 63323994 in words is "sixty-three million, three hundred twenty-three thousand, nine hundred ninety-four".