63407 has 4 divisors (see below), whose sum is σ = 63960. Its totient is φ = 62856.

The previous prime is 63397. The next prime is 63409. The reversal of 63407 is 70436.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 63407 - 2⁴ = 63391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32 + ... + 357.

It is an arithmetic number, because the mean of its divisors is an integer number (15990).

2⁶³⁴⁰⁷ is an apocalyptic number.

63407 is a deficient number, since it is larger than the sum of its proper divisors (553).

63407 is a wasteful number, since it uses less digits than its factorization.

63407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 63407 is about 251.8074661324. The cubic root of 63407 is about 39.8760747934.

The spelling of 63407 in words is "sixty-three thousand, four hundred seven".