68473388 has 6 divisors (see below), whose sum is σ = 119828436. Its totient is φ = 34236692.

The previous prime is 68473381. The next prime is 68473409. The reversal of 68473388 is 88337486.

It is not an unprimeable number, because it can be changed into a prime (68473381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8559170 + ... + 8559177.

It is an arithmetic number, because the mean of its divisors is an integer number (19971406).

Almost surely, 2^68473388 is an apocalyptic number.

It is an amenable number.

68473388 is a deficient number, since it is larger than the sum of its proper divisors (51355048).

68473388 is a wasteful number, since it uses less digits than its factorization.

68473388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17118351 (or 17118349 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 68473388 is about 8274.8648327329. The cubic root of 68473388 is about 409.1104808115.

The spelling of 68473388 in words is "sixty-eight million, four hundred seventy-three thousand, three hundred eighty-eight".