64423467 has 6 divisors (see below), whose sum is σ = 93056132. Its totient is φ = 42948972.

The previous prime is 64423459. The next prime is 64423477. The reversal of 64423467 is 76432446.

64423467 is a `hidden beast` number, since 644 + 2 + 3 + 4 + 6 + 7 = 666.

It is not a de Polignac number, because 64423467 - 2³ = 64423459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64423427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3579073 + ... + 3579090.

Almost surely, 2^64423467 is an apocalyptic number.

64423467 is a deficient number, since it is larger than the sum of its proper divisors (28632665).

64423467 is a wasteful number, since it uses less digits than its factorization.

64423467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7158169 (or 7158166 counting only the distinct ones).

The product of its digits is 96768, while the sum is 36.

The square root of 64423467 is about 8026.4230513972. The cubic root of 64423467 is about 400.8802842447.

The spelling of 64423467 in words is "sixty-four million, four hundred twenty-three thousand, four hundred sixty-seven".