64761683 has 12 divisors (see below), whose sum is σ = 75628512. Its totient is φ = 55293840.

The previous prime is 64761677. The next prime is 64761689. The reversal of 64761683 is 38616746.

It is an interprime number because it is at equal distance from previous prime (64761677) and next prime (64761689).

It is not a de Polignac number, because 64761683 - 2⁴ = 64761667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64761683.

It is not an unprimeable number, because it can be changed into a prime (64761689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10841 + ... + 15717.

It is an arithmetic number, because the mean of its divisors is an integer number (6302376).

Almost surely, 2^64761683 is an apocalyptic number.

64761683 is a deficient number, since it is larger than the sum of its proper divisors (10866829).

64761683 is a wasteful number, since it uses less digits than its factorization.

64761683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162 (or 5155 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 64761683 is about 8047.4643832700. The cubic root of 64761683 is about 401.5805857288.

The spelling of 64761683 in words is "sixty-four million, seven hundred sixty-one thousand, six hundred eighty-three".