64474367 has 2 divisors, whose sum is σ = 64474368. Its totient is φ = 64474366.

The previous prime is 64474363. The next prime is 64474369. The reversal of 64474367 is 76347446.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64474367 - 2² = 64474363 is a prime.

Together with 64474369, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64474363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32237183 + 32237184.

It is an arithmetic number, because the mean of its divisors is an integer number (32237184).

Almost surely, 2^64474367 is an apocalyptic number.

64474367 is a deficient number, since it is larger than the sum of its proper divisors (1).

64474367 is an equidigital number, since it uses as much as digits as its factorization.

64474367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 41.

The square root of 64474367 is about 8029.5932026473. The cubic root of 64474367 is about 400.9858329209.

The spelling of 64474367 in words is "sixty-four million, four hundred seventy-four thousand, three hundred sixty-seven".