68292418 has 4 divisors (see below), whose sum is σ = 102438630. Its totient is φ = 34146208.

The previous prime is 68292407. The next prime is 68292443. The reversal of 68292418 is 81429286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39100009 + 29192409 = 6253^2 + 5403^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17073103 + ... + 17073106.

Almost surely, 2^68292418 is an apocalyptic number.

68292418 is a deficient number, since it is larger than the sum of its proper divisors (34146212).

68292418 is a wasteful number, since it uses less digits than its factorization.

68292418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34146211.

The product of its digits is 55296, while the sum is 40.

The square root of 68292418 is about 8263.9226763081. The cubic root of 68292418 is about 408.7497467789.

The spelling of 68292418 in words is "sixty-eight million, two hundred ninety-two thousand, four hundred eighteen".