64407 has 8 divisors (see below), whose sum is σ = 98176. Its totient is φ = 36792.

The previous prime is 64403. The next prime is 64433. The reversal of 64407 is 70446.

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

It is not a de Polignac number, because 64407 - 2² = 64403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 3067 = 64407 / (6 + 4 + 4 + 0 + 7).

It is a d-powerful number, because it can be written as 6⁶ + 4⁵ + 4⁷ + 0 + 7³ .

It is a Duffinian number.

It is a nialpdrome in base 11 and base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64407.

It is not an unprimeable number, because it can be changed into a prime (64403) 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, 1513 + ... + 1554.

It is an arithmetic number, because the mean of its divisors is an integer number (12272).

2⁶⁴⁴⁰⁷ is an apocalyptic number.

64407 is a deficient number, since it is larger than the sum of its proper divisors (33769).

64407 is a wasteful number, since it uses less digits than its factorization.

64407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 64407 is about 253.7853423663. The cubic root of 64407 is about 40.0846125583.

The spelling of 64407 in words is "sixty-four thousand, four hundred seven".