68619722 has 8 divisors (see below), whose sum is σ = 103255236. Its totient is φ = 34201312.

The previous prime is 68619679. The next prime is 68619731. The reversal of 68619722 is 22791686.

It can be written as a sum of positive squares in 2 ways, for example, as 67059721 + 1560001 = 8189^2 + 1249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68619722.

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, 53483 + ... + 54750.

Almost surely, 2^68619722 is an apocalyptic number.

68619722 is a deficient number, since it is larger than the sum of its proper divisors (34635514).

68619722 is a wasteful number, since it uses less digits than its factorization.

68619722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108552.

The product of its digits is 72576, while the sum is 41.

The square root of 68619722 is about 8283.7021916532. The cubic root of 68619722 is about 409.4017091678.

The spelling of 68619722 in words is "sixty-eight million, six hundred nineteen thousand, seven hundred twenty-two".