68487045 has 16 divisors (see below), whose sum is σ = 119541312. Its totient is φ = 33205760.

The previous prime is 68486993. The next prime is 68487059. The reversal of 68487045 is 54078486.

It is not a de Polignac number, because 68487045 - 2¹⁰ = 68486021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68486988 and 68487006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207372 + ... + 207701.

It is an arithmetic number, because the mean of its divisors is an integer number (7471332).

Almost surely, 2^68487045 is an apocalyptic number.

It is an amenable number.

68487045 is a deficient number, since it is larger than the sum of its proper divisors (51054267).

68487045 is a wasteful number, since it uses less digits than its factorization.

68487045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415092.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 68487045 is about 8275.6900014440. The cubic root of 68487045 is about 409.1376779975.

The spelling of 68487045 in words is "sixty-eight million, four hundred eighty-seven thousand, forty-five".