64833530 has 16 divisors (see below), whose sum is σ = 117192960. Its totient is φ = 25823952.

The previous prime is 64833521. The next prime is 64833533. The reversal of 64833530 is 3533846.

It is a super-2 number, since 2×64833530² = 8406773224521800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64833533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11174 + ... + 15953.

It is an arithmetic number, because the mean of its divisors is an integer number (7324560).

Almost surely, 2^64833530 is an apocalyptic number.

64833530 is a deficient number, since it is larger than the sum of its proper divisors (52359430).

64833530 is a wasteful number, since it uses less digits than its factorization.

64833530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27373.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 64833530 is about 8051.9270985274. The cubic root of 64833530 is about 401.7290361494.

The spelling of 64833530 in words is "sixty-four million, eight hundred thirty-three thousand, five hundred thirty".