64403467 has 4 divisors (see below), whose sum is σ = 64441960. Its totient is φ = 64364976.

The previous prime is 64403453. The next prime is 64403509. The reversal of 64403467 is 76430446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64403467 - 2¹¹ = 64401419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64403267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16617 + ... + 20122.

It is an arithmetic number, because the mean of its divisors is an integer number (16110490).

Almost surely, 2^64403467 is an apocalyptic number.

64403467 is a deficient number, since it is larger than the sum of its proper divisors (38493).

64403467 is a wasteful number, since it uses less digits than its factorization.

64403467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38492.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 64403467 is about 8025.1770696976. The cubic root of 64403467 is about 400.8387960734.

The spelling of 64403467 in words is "sixty-four million, four hundred three thousand, four hundred sixty-seven".