64924461 has 18 divisors (see below), whose sum is σ = 109091502. Its totient is φ = 37099440.

The previous prime is 64924429. The next prime is 64924471. The reversal of 64924461 is 16442946.

64924461 is a `hidden beast` number, since 649 + 2 + 4 + 4 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57471561 + 7452900 = 7581^2 + 2730^2 .

It is not a de Polignac number, because 64924461 - 2⁵ = 64924429 is a prime.

It is a super-2 number, since 2×64924461² = 8430371272281042, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64924421) 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 17 ways as a sum of consecutive naturals, for example, 73170 + ... + 74051.

It is an arithmetic number, because the mean of its divisors is an integer number (6060639).

Almost surely, 2^64924461 is an apocalyptic number.

It is an amenable number.

64924461 is a deficient number, since it is larger than the sum of its proper divisors (44167041).

64924461 is a wasteful number, since it uses less digits than its factorization.

64924461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147241 (or 147231 counting only the distinct ones).

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

The square root of 64924461 is about 8057.5716565228. The cubic root of 64924461 is about 401.9167608155.

The spelling of 64924461 in words is "sixty-four million, nine hundred twenty-four thousand, four hundred sixty-one".