64056290 has 8 divisors (see below), whose sum is σ = 115301340. Its totient is φ = 25622512.

The previous prime is 64056269. The next prime is 64056371. The reversal of 64056290 is 9265046.

It can be written as a sum of positive squares in 2 ways, for example, as 64048009 + 8281 = 8003^2 + 91^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3202805 + ... + 3202824.

Almost surely, 2^64056290 is an apocalyptic number.

64056290 is a deficient number, since it is larger than the sum of its proper divisors (51245050).

64056290 is a wasteful number, since it uses less digits than its factorization.

64056290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405636.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 64056290 is about 8003.5173517648. The cubic root of 64056290 is about 400.1172364690.

It can be divided in two parts, 64056 and 290, that added together give a palindrome (64346).

The spelling of 64056290 in words is "sixty-four million, fifty-six thousand, two hundred ninety".