68377450 has 24 divisors (see below), whose sum is σ = 127667052. Its totient is φ = 27246720.

The previous prime is 68377429. The next prime is 68377469. The reversal of 68377450 is 5477386.

It can be written as a sum of positive squares in 6 ways, for example, as 11992369 + 56385081 = 3463^2 + 7509^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11382 + ... + 16318.

Almost surely, 2^68377450 is an apocalyptic number.

68377450 is a deficient number, since it is larger than the sum of its proper divisors (59289602).

68377450 is a wasteful number, since it uses less digits than its factorization.

68377450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5226 (or 5221 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 68377450 is about 8269.0658480871. The cubic root of 68377450 is about 408.9193234026.

The spelling of 68377450 in words is "sixty-eight million, three hundred seventy-seven thousand, four hundred fifty".