64572479 has 2 divisors, whose sum is σ = 64572480. Its totient is φ = 64572478.

The previous prime is 64572461. The next prime is 64572481. The reversal of 64572479 is 97427546.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64572479 is a prime.

Together with 64572481, 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 (64572419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32286239 + 32286240.

It is an arithmetic number, because the mean of its divisors is an integer number (32286240).

Almost surely, 2^64572479 is an apocalyptic number.

64572479 is a deficient number, since it is larger than the sum of its proper divisors (1).

64572479 is an equidigital number, since it uses as much as digits as its factorization.

64572479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 64572479 is about 8035.7002806227. The cubic root of 64572479 is about 401.1891260285.

The spelling of 64572479 in words is "sixty-four million, five hundred seventy-two thousand, four hundred seventy-nine".