68408770 has 16 divisors (see below), whose sum is σ = 123338880. Its totient is φ = 27318384.

The previous prime is 68408749. The next prime is 68408771. The reversal of 68408770 is 7780486.

It is not an unprimeable number, because it can be changed into a prime (68408771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111 + ... + 11749.

It is an arithmetic number, because the mean of its divisors is an integer number (7708680).

Almost surely, 2^68408770 is an apocalyptic number.

68408770 is a deficient number, since it is larger than the sum of its proper divisors (54930110).

68408770 is a wasteful number, since it uses less digits than its factorization.

68408770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11289.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 68408770 is about 8270.9594364862. The cubic root of 68408770 is about 408.9817484577.

The spelling of 68408770 in words is "sixty-eight million, four hundred eight thousand, seven hundred seventy".