68627680 has 48 divisors (see below), whose sum is σ = 176876784. Its totient is φ = 24954880.

The previous prime is 68627651. The next prime is 68627681. The reversal of 68627680 is 8672686.

68627680 = T₄₀ + T₄₁ + ... + T₇₄₃.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68627681) 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 7 ways as a sum of consecutive naturals, for example, 17737 + ... + 21256.

It is an arithmetic number, because the mean of its divisors is an integer number (3684933).

Almost surely, 2^68627680 is an apocalyptic number.

It is an amenable number.

68627680 is an abundant number, since it is smaller than the sum of its proper divisors (108249104).

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

68627680 is a wasteful number, since it uses less digits than its factorization.

68627680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39019 (or 39011 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 68627680 is about 8284.1825185108. The cubic root of 68627680 is about 409.4175350011.

The spelling of 68627680 in words is "sixty-eight million, six hundred twenty-seven thousand, six hundred eighty".