68131372 has 6 divisors (see below), whose sum is σ = 119229908. Its totient is φ = 34065684.

The previous prime is 68131367. The next prime is 68131373. The reversal of 68131372 is 27313186.

It is not an unprimeable number, because it can be changed into a prime (68131373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8516418 + ... + 8516425.

Almost surely, 2^68131372 is an apocalyptic number.

It is an amenable number.

68131372 is a deficient number, since it is larger than the sum of its proper divisors (51098536).

68131372 is a wasteful number, since it uses less digits than its factorization.

68131372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17032847 (or 17032845 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 68131372 is about 8254.1730052138. The cubic root of 68131372 is about 408.4281916879.

The spelling of 68131372 in words is "sixty-eight million, one hundred thirty-one thousand, three hundred seventy-two".