68219072 has 28 divisors (see below), whose sum is σ = 137288016. Its totient is φ = 33626880.

The previous prime is 68219071. The next prime is 68219087. The reversal of 68219072 is 27091286.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68219071) 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, 2963 + ... + 12050.

Almost surely, 2^68219072 is an apocalyptic number.

It is an amenable number.

68219072 is an abundant number, since it is smaller than the sum of its proper divisors (69068944).

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

68219072 is a wasteful number, since it uses less digits than its factorization.

68219072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15096 (or 15086 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 68219072 is about 8259.4837611076. The cubic root of 68219072 is about 408.6033620649.

The spelling of 68219072 in words is "sixty-eight million, two hundred nineteen thousand, seventy-two".