68785744 has 20 divisors (see below), whose sum is σ = 133678324. Its totient is φ = 34288128.

The previous prime is 68785733. The next prime is 68785763. The reversal of 68785744 is 44758786.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28944400 + 39841344 = 5380^2 + 6312^2 .

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, 987 + ... + 11770.

Almost surely, 2^68785744 is an apocalyptic number.

It is an amenable number.

68785744 is a deficient number, since it is larger than the sum of its proper divisors (64892580).

68785744 is a wasteful number, since it uses less digits than its factorization.

68785744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13102 (or 13096 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The square root of 68785744 is about 8293.7171401007. The cubic root of 68785744 is about 409.7316189260.

The spelling of 68785744 in words is "sixty-eight million, seven hundred eighty-five thousand, seven hundred forty-four".