68783126 has 4 divisors (see below), whose sum is σ = 103174692. Its totient is φ = 34391562.

The previous prime is 68783123. The next prime is 68783147. The reversal of 68783126 is 62138786.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62138786 = 2 ⋅31069393.

It is a super-2 number, since 2×68783126² = 9462236844663752, which contains 22 as substring.

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68783123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17195780 + ... + 17195783.

It is an arithmetic number, because the mean of its divisors is an integer number (25793673).

Almost surely, 2^68783126 is an apocalyptic number.

68783126 is a deficient number, since it is larger than the sum of its proper divisors (34391566).

68783126 is a wasteful number, since it uses less digits than its factorization.

68783126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34391565.

The product of its digits is 96768, while the sum is 41.

The square root of 68783126 is about 8293.5593082825. The cubic root of 68783126 is about 409.7264207027.

The spelling of 68783126 in words is "sixty-eight million, seven hundred eighty-three thousand, one hundred twenty-six".