68576072 has 8 divisors (see below), whose sum is σ = 128580150. Its totient is φ = 34288032.

The previous prime is 68576069. The next prime is 68576077. The reversal of 68576072 is 27067586.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37283236 + 31292836 = 6106^2 + 5594^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (68576077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4285997 + ... + 4286012.

Almost surely, 2^68576072 is an apocalyptic number.

It is an amenable number.

68576072 is a deficient number, since it is larger than the sum of its proper divisors (60004078).

68576072 is a wasteful number, since it uses less digits than its factorization.

68576072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572015 (or 8572011 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 68576072 is about 8281.0670809987. The cubic root of 68576072 is about 409.3148819669.

The spelling of 68576072 in words is "sixty-eight million, five hundred seventy-six thousand, seventy-two".