63043904 has 84 divisors (see below), whose sum is σ = 157288992. Its totient is φ = 24541440.

The previous prime is 63043901. The next prime is 63043907. The reversal of 63043904 is 40934036.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63043901) and next prime (63043907).

It is a super-2 number, since 2×63043904² = 7949067663122432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63043901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53627 + ... + 54789.

It is an arithmetic number, because the mean of its divisors is an integer number (1872488).

Almost surely, 2^63043904 is an apocalyptic number.

63043904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63043904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78644496).

63043904 is an abundant number, since it is smaller than the sum of its proper divisors (94245088).

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

63043904 is a wasteful number, since it uses less digits than its factorization.

63043904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1183 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 63043904 is about 7940.0191435537. The cubic root of 63043904 is about 397.9981313515.

The spelling of 63043904 in words is "sixty-three million, forty-three thousand, nine hundred four".