68845472 has 12 divisors (see below), whose sum is σ = 135539586. Its totient is φ = 34422720.

The previous prime is 68845457. The next prime is 68845481. The reversal of 68845472 is 27454886.

It can be written as a sum of positive squares in only one way, i.e., 40500496 + 28344976 = 6364^2 + 5324^2 .

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 as a sum of consecutive naturals, namely, 1075679 + ... + 1075742.

Almost surely, 2^68845472 is an apocalyptic number.

It is an amenable number.

68845472 is a deficient number, since it is larger than the sum of its proper divisors (66694114).

68845472 is a wasteful number, since it uses less digits than its factorization.

68845472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151431 (or 2151423 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 68845472 is about 8297.3171567682. The cubic root of 68845472 is about 409.8501772630.

The spelling of 68845472 in words is "sixty-eight million, eight hundred forty-five thousand, four hundred seventy-two".