68763928 has 16 divisors (see below), whose sum is σ = 134538480. Its totient is φ = 32887008.

The previous prime is 68763911. The next prime is 68763941. The reversal of 68763928 is 82936786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186675 + ... + 187042.

It is an arithmetic number, because the mean of its divisors is an integer number (8408655).

Almost surely, 2^68763928 is an apocalyptic number.

It is an amenable number.

68763928 is a deficient number, since it is larger than the sum of its proper divisors (65774552).

68763928 is a wasteful number, since it uses less digits than its factorization.

68763928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373746 (or 373742 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 68763928 is about 8292.4018233561. The cubic root of 68763928 is about 409.6882976909.

The spelling of 68763928 in words is "sixty-eight million, seven hundred sixty-three thousand, nine hundred twenty-eight".