63467421 has 8 divisors (see below), whose sum is σ = 86057760. Its totient is φ = 41594352.

The previous prime is 63467401. The next prime is 63467431. The reversal of 63467421 is 12476436.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63467421 - 2⁶ = 63467357 is a prime.

It is a super-2 number, since 2×63467421² = 8056227056782482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63467401) 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, 179110 + ... + 179463.

It is an arithmetic number, because the mean of its divisors is an integer number (10757220).

Almost surely, 2^63467421 is an apocalyptic number.

It is an amenable number.

63467421 is a deficient number, since it is larger than the sum of its proper divisors (22590339).

63467421 is a wasteful number, since it uses less digits than its factorization.

63467421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358635.

The product of its digits is 24192, while the sum is 33.

The square root of 63467421 is about 7966.6442747245. The cubic root of 63467421 is about 398.8873684136.

The spelling of 63467421 in words is "sixty-three million, four hundred sixty-seven thousand, four hundred twenty-one".