64920483 has 24 divisors (see below), whose sum is σ = 95696640. Its totient is φ = 42401520.

The previous prime is 64920463. The next prime is 64920491. The reversal of 64920483 is 38402946.

It is a happy number.

64920483 is a `hidden beast` number, since 649 + 2 + 0 + 4 + 8 + 3 = 666.

It is not a de Polignac number, because 64920483 - 2⁶ = 64920419 is a prime.

It is a super-2 number, since 2×64920483² = 8429338225906578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64920403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180658 + ... + 181016.

It is an arithmetic number, because the mean of its divisors is an integer number (3987360).

Almost surely, 2^64920483 is an apocalyptic number.

64920483 is a deficient number, since it is larger than the sum of its proper divisors (30776157).

64920483 is a wasteful number, since it uses less digits than its factorization.

64920483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 64920483 is about 8057.3248041766. The cubic root of 64920483 is about 401.9085520064.

The spelling of 64920483 in words is "sixty-four million, nine hundred twenty thousand, four hundred eighty-three".