64353290 has 8 divisors (see below), whose sum is σ = 115835940. Its totient is φ = 25741312.

The previous prime is 64353271. The next prime is 64353337. The reversal of 64353290 is 9235346.

It can be written as a sum of positive squares in 2 ways, for example, as 55785961 + 8567329 = 7469^2 + 2927^2 .

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, 3217655 + ... + 3217674.

Almost surely, 2^64353290 is an apocalyptic number.

64353290 is a deficient number, since it is larger than the sum of its proper divisors (51482650).

64353290 is a wasteful number, since it uses less digits than its factorization.

64353290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6435336.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 64353290 is about 8022.0502366914. The cubic root of 64353290 is about 400.7346706548.

The spelling of 64353290 in words is "sixty-four million, three hundred fifty-three thousand, two hundred ninety".