68280752 has 20 divisors (see below), whose sum is σ = 132773496. Its totient is φ = 34016640.

The previous prime is 68280739. The next prime is 68280757. The reversal of 68280752 is 25708286.

It is a super-2 number, since 2×68280752² = 9324522187371008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68280757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3098 + ... + 12089.

Almost surely, 2^68280752 is an apocalyptic number.

It is an amenable number.

68280752 is a deficient number, since it is larger than the sum of its proper divisors (64492744).

68280752 is a wasteful number, since it uses less digits than its factorization.

68280752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15476 (or 15470 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 68280752 is about 8263.2168070310. The cubic root of 68280752 is about 408.7264706660.

The spelling of 68280752 in words is "sixty-eight million, two hundred eighty thousand, seven hundred fifty-two".