68191926 has 32 divisors (see below), whose sum is σ = 150163200. Its totient is φ = 20472480.

The previous prime is 68191901. The next prime is 68191951. The reversal of 68191926 is 62919186.

It is an interprime number because it is at equal distance from previous prime (68191901) and next prime (68191951).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2455 + ... + 11933.

It is an arithmetic number, because the mean of its divisors is an integer number (4692600).

Almost surely, 2^68191926 is an apocalyptic number.

68191926 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 68191926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75081600).

68191926 is an abundant number, since it is smaller than the sum of its proper divisors (81971274).

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

68191926 is a wasteful number, since it uses less digits than its factorization.

68191926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9604.

The product of its digits is 46656, while the sum is 42.

The square root of 68191926 is about 8257.8402745512. The cubic root of 68191926 is about 408.5491571917.

The spelling of 68191926 in words is "sixty-eight million, one hundred ninety-one thousand, nine hundred twenty-six".