68775672 has 32 divisors (see below), whose sum is σ = 196502400. Its totient is φ = 19650144.

The previous prime is 68775643. The next prime is 68775677. The reversal of 68775672 is 27657786.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68775677) 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, 204522 + ... + 204857.

It is an arithmetic number, because the mean of its divisors is an integer number (6140700).

Almost surely, 2^68775672 is an apocalyptic number.

It is an amenable number.

68775672 is an abundant number, since it is smaller than the sum of its proper divisors (127726728).

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

68775672 is a wasteful number, since it uses less digits than its factorization.

68775672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409395 (or 409391 counting only the distinct ones).

The product of its digits is 987840, while the sum is 48.

The square root of 68775672 is about 8293.1099112456. The cubic root of 68775672 is about 409.7116195382.

The spelling of 68775672 in words is "sixty-eight million, seven hundred seventy-five thousand, six hundred seventy-two".