64036447 has 2 divisors, whose sum is σ = 64036448. Its totient is φ = 64036446.

The previous prime is 64036429. The next prime is 64036459. The reversal of 64036447 is 74463046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64036447 - 2⁷ = 64036319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64036477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32018223 + 32018224.

It is an arithmetic number, because the mean of its divisors is an integer number (32018224).

Almost surely, 2^64036447 is an apocalyptic number.

64036447 is a deficient number, since it is larger than the sum of its proper divisors (1).

64036447 is an equidigital number, since it uses as much as digits as its factorization.

64036447 is an evil number, because the sum of its binary digits is even.

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

The square root of 64036447 is about 8002.2776132799. The cubic root of 64036447 is about 400.0759168407.

The spelling of 64036447 in words is "sixty-four million, thirty-six thousand, four hundred forty-seven".