68504450 has 36 divisors (see below), whose sum is σ = 148226562. Its totient is φ = 23486400.

The previous prime is 68504437. The next prime is 68504473. The reversal of 68504450 is 5440586.

It can be written as a sum of positive squares in 3 ways, for example, as 41744521 + 26759929 = 6461^2 + 5173^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11531 + ... + 16430.

Almost surely, 2^68504450 is an apocalyptic number.

68504450 is an abundant number, since it is smaller than the sum of its proper divisors (79722112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68504450 is a wasteful number, since it uses less digits than its factorization.

68504450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27987 (or 27975 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 68504450 is about 8276.7415085890. The cubic root of 68504450 is about 409.1723338858.

The spelling of 68504450 in words is "sixty-eight million, five hundred four thousand, four hundred fifty".