68480049 has 32 divisors (see below), whose sum is σ = 103910400. Its totient is φ = 39735360.

The previous prime is 68480033. The next prime is 68480053. The reversal of 68480049 is 94008486.

It is not a de Polignac number, because 68480049 - 2⁴ = 68480033 is a prime.

It is a super-2 number, since 2×68480049² = 9379034222084802, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68479989 and 68480016.

It is not an unprimeable number, because it can be changed into a prime (68480089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155772 + ... + 156210.

It is an arithmetic number, because the mean of its divisors is an integer number (3247200).

Almost surely, 2^68480049 is an apocalyptic number.

It is an amenable number.

68480049 is a deficient number, since it is larger than the sum of its proper divisors (35430351).

68480049 is a wasteful number, since it uses less digits than its factorization.

68480049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 68480049 is about 8275.2673068608. The cubic root of 68480049 is about 409.1237462889.

The spelling of 68480049 in words is "sixty-eight million, four hundred eighty thousand, forty-nine".