64746963 has 6 divisors (see below), whose sum is σ = 93523404. Its totient is φ = 43164636.

The previous prime is 64746961. The next prime is 64746971. The reversal of 64746963 is 36964746.

It is not a de Polignac number, because 64746963 - 2¹ = 64746961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64746961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3597045 + ... + 3597062.

It is an arithmetic number, because the mean of its divisors is an integer number (15587234).

Almost surely, 2^64746963 is an apocalyptic number.

64746963 is a deficient number, since it is larger than the sum of its proper divisors (28776441).

64746963 is a wasteful number, since it uses less digits than its factorization.

64746963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7194113 (or 7194110 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 64746963 is about 8046.5497575048. The cubic root of 64746963 is about 401.5501576841.

The spelling of 64746963 in words is "sixty-four million, seven hundred forty-six thousand, nine hundred sixty-three".