68757648 has 20 divisors (see below), whose sum is σ = 177624048. Its totient is φ = 22919200.

The previous prime is 68757641. The next prime is 68757653. The reversal of 68757648 is 84675786.

It is a super-2 number, since 2×68757648² = 9455228316983808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68757648.

It is not an unprimeable number, because it can be changed into a prime (68757641) 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, 716178 + ... + 716273.

Almost surely, 2^68757648 is an apocalyptic number.

It is an amenable number.

68757648 is an abundant number, since it is smaller than the sum of its proper divisors (108866400).

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

68757648 is a wasteful number, since it uses less digits than its factorization.

68757648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432462 (or 1432456 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 68757648 is about 8292.0231548157. The cubic root of 68757648 is about 409.6758254500.

The spelling of 68757648 in words is "sixty-eight million, seven hundred fifty-seven thousand, six hundred forty-eight".