68415476 has 6 divisors (see below), whose sum is σ = 119727090. Its totient is φ = 34207736.

The previous prime is 68415469. The next prime is 68415491. The reversal of 68415476 is 67451486.

It can be written as a sum of positive squares in only one way, i.e., 66912400 + 1503076 = 8180^2 + 1226^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8551931 + ... + 8551938.

It is an arithmetic number, because the mean of its divisors is an integer number (19954515).

Almost surely, 2^68415476 is an apocalyptic number.

It is an amenable number.

68415476 is a deficient number, since it is larger than the sum of its proper divisors (51311614).

68415476 is a wasteful number, since it uses less digits than its factorization.

68415476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17103873 (or 17103871 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 68415476 is about 8271.3648208745. The cubic root of 68415476 is about 408.9951119587.

The spelling of 68415476 in words is "sixty-eight million, four hundred fifteen thousand, four hundred seventy-six".