68507072 has 14 divisors (see below), whose sum is σ = 135943848. Its totient is φ = 34253504.

The previous prime is 68507057. The next prime is 68507081. The reversal of 68507072 is 27070586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535148 + ... + 535275.

Almost surely, 2^68507072 is an apocalyptic number.

It is an amenable number.

68507072 is a deficient number, since it is larger than the sum of its proper divisors (67436776).

68507072 is a wasteful number, since it uses less digits than its factorization.

68507072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070435 (or 1070425 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 68507072 is about 8276.8999027414. The cubic root of 68507072 is about 409.1775541606.

The spelling of 68507072 in words is "sixty-eight million, five hundred seven thousand, seventy-two".