68377872 has 20 divisors (see below), whose sum is σ = 176642960. Its totient is φ = 22792608.

The previous prime is 68377871. The next prime is 68377879. The reversal of 68377872 is 27877386.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1424539 = 68377872 / (6 + 8 + 3 + 7 + 7 + 8 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (68377871) 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, 712222 + ... + 712317.

It is an arithmetic number, because the mean of its divisors is an integer number (8832148).

Almost surely, 2^68377872 is an apocalyptic number.

It is an amenable number.

68377872 is an abundant number, since it is smaller than the sum of its proper divisors (108265088).

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

68377872 is a wasteful number, since it uses less digits than its factorization.

68377872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424550 (or 1424544 counting only the distinct ones).

The product of its digits is 790272, while the sum is 48.

The square root of 68377872 is about 8269.0913648357. The cubic root of 68377872 is about 408.9201646332.

The spelling of 68377872 in words is "sixty-eight million, three hundred seventy-seven thousand, eight hundred seventy-two".