64623763 has 2 divisors, whose sum is σ = 64623764. Its totient is φ = 64623762.

The previous prime is 64623743. The next prime is 64623781. The reversal of 64623763 is 36732646.

64623763 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64623763 - 2¹³ = 64615571 is a prime.

It is not a weakly prime, because it can be changed into another prime (64623743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32311881 + 32311882.

It is an arithmetic number, because the mean of its divisors is an integer number (32311882).

Almost surely, 2^64623763 is an apocalyptic number.

64623763 is a deficient number, since it is larger than the sum of its proper divisors (1).

64623763 is an equidigital number, since it uses as much as digits as its factorization.

64623763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 37.

The square root of 64623763 is about 8038.8906572984. The cubic root of 64623763 is about 401.2953071706.

The spelling of 64623763 in words is "sixty-four million, six hundred twenty-three thousand, seven hundred sixty-three".