64234272 has 24 divisors (see below), whose sum is σ = 168615216. Its totient is φ = 21411392.

The previous prime is 64234267. The next prime is 64234277. The reversal of 64234272 is 27243246.

It is an interprime number because it is at equal distance from previous prime (64234267) and next prime (64234277).

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (64234277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334458 + ... + 334649.

It is an arithmetic number, because the mean of its divisors is an integer number (7025634).

Almost surely, 2^64234272 is an apocalyptic number.

It is an amenable number.

64234272 is an abundant number, since it is smaller than the sum of its proper divisors (104380944).

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

64234272 is a wasteful number, since it uses less digits than its factorization.

64234272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669120 (or 669112 counting only the distinct ones).

The product of its digits is 16128, while the sum is 30.

The square root of 64234272 is about 8014.6286252078. The cubic root of 64234272 is about 400.4874723521.

The spelling of 64234272 in words is "sixty-four million, two hundred thirty-four thousand, two hundred seventy-two".