63420801 has 16 divisors (see below), whose sum is σ = 85536000. Its totient is φ = 41796608.

The previous prime is 63420787. The next prime is 63420853. The reversal of 63420801 is 10802436.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 63420801 - 2⁷ = 63420673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63420871) 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, 141025 + ... + 141473.

It is an arithmetic number, because the mean of its divisors is an integer number (5346000).

Almost surely, 2^63420801 is an apocalyptic number.

It is an amenable number.

63420801 is a deficient number, since it is larger than the sum of its proper divisors (22115199).

63420801 is a wasteful number, since it uses less digits than its factorization.

63420801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 63420801 is about 7963.7177875663. The cubic root of 63420801 is about 398.7896769054.

Adding to 63420801 its product of nonzero digits (1152), we get a triangular number (63421953 = T₁₁₂₆₂).

The spelling of 63420801 in words is "sixty-three million, four hundred twenty thousand, eight hundred one".