68898872 has 16 divisors (see below), whose sum is σ = 147640560. Its totient is φ = 29528064.

The previous prime is 68898853. The next prime is 68898911. The reversal of 68898872 is 27889886.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 1230337 = 68898872 / (6 + 8 + 8 + 9 + 8 + 8 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615113 + ... + 615224.

It is an arithmetic number, because the mean of its divisors is an integer number (9227535).

Almost surely, 2^68898872 is an apocalyptic number.

It is an amenable number.

68898872 is an abundant number, since it is smaller than the sum of its proper divisors (78741688).

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

68898872 is a wasteful number, since it uses less digits than its factorization.

68898872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230350 (or 1230346 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 56.

The square root of 68898872 is about 8300.5344406249. The cubic root of 68898872 is about 409.9561166596.

The spelling of 68898872 in words is "sixty-eight million, eight hundred ninety-eight thousand, eight hundred seventy-two".