64242276 has 24 divisors (see below), whose sum is σ = 171312960. Its totient is φ = 18354912.

The previous prime is 64242271. The next prime is 64242281. The reversal of 64242276 is 67224246.

It is an interprime number because it is at equal distance from previous prime (64242271) and next prime (64242281).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (64242271) by changing a digit.

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, 382311 + ... + 382478.

It is an arithmetic number, because the mean of its divisors is an integer number (7138040).

Almost surely, 2^64242276 is an apocalyptic number.

It is an amenable number.

64242276 is an abundant number, since it is smaller than the sum of its proper divisors (107070684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64242276 is a wasteful number, since it uses less digits than its factorization.

64242276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764803 (or 764801 counting only the distinct ones).

The product of its digits is 32256, while the sum is 33.

The square root of 64242276 is about 8015.1279465770. The cubic root of 64242276 is about 400.5041060924.

The spelling of 64242276 in words is "sixty-four million, two hundred forty-two thousand, two hundred seventy-six".