68900445 has 24 divisors (see below), whose sum is σ = 123282432. Its totient is φ = 35560800.

The previous prime is 68900417. The next prime is 68900453. The reversal of 68900445 is 54400986.

It is not a de Polignac number, because 68900445 - 2⁵ = 68900413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23301 + ... + 26090.

It is an arithmetic number, because the mean of its divisors is an integer number (5136768).

Almost surely, 2^68900445 is an apocalyptic number.

It is an amenable number.

68900445 is a deficient number, since it is larger than the sum of its proper divisors (54381987).

68900445 is a wasteful number, since it uses less digits than its factorization.

68900445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49433 (or 49430 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 68900445 is about 8300.6291930190. The cubic root of 68900445 is about 409.9592364787.

The spelling of 68900445 in words is "sixty-eight million, nine hundred thousand, four hundred forty-five".