68426830 has 16 divisors (see below), whose sum is σ = 125789760. Its totient is φ = 26788192.

The previous prime is 68426791. The next prime is 68426833. The reversal of 68426830 is 3862486.

It is a self number, because there is not a number n which added to its sum of digits gives 68426830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68426833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72325 + ... + 73264.

It is an arithmetic number, because the mean of its divisors is an integer number (7861860).

Almost surely, 2^68426830 is an apocalyptic number.

68426830 is a deficient number, since it is larger than the sum of its proper divisors (57362930).

68426830 is a wasteful number, since it uses less digits than its factorization.

68426830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145643.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 68426830 is about 8272.0511362056. The cubic root of 68426830 is about 409.0177358537.

The spelling of 68426830 in words is "sixty-eight million, four hundred twenty-six thousand, eight hundred thirty".