64254472 has 32 divisors (see below), whose sum is σ = 123128280. Its totient is φ = 31426560.

The previous prime is 64254469. The next prime is 64254493. The reversal of 64254472 is 27445246.

It can be written as a sum of positive squares in 4 ways, for example, as 36312676 + 27941796 = 6026^2 + 5286^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172078 + ... + 172450.

Almost surely, 2^64254472 is an apocalyptic number.

It is an amenable number.

64254472 is a deficient number, since it is larger than the sum of its proper divisors (58873808).

64254472 is a wasteful number, since it uses less digits than its factorization.

64254472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 789 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 64254472 is about 8015.8887217825. Note that the first 3 decimals coincide. The cubic root of 64254472 is about 400.5294489005.

The spelling of 64254472 in words is "sixty-four million, two hundred fifty-four thousand, four hundred seventy-two".