68354874 has 64 divisors (see below), whose sum is σ = 176256000. Its totient is φ = 19231344.

The previous prime is 68354857. The next prime is 68354879. The reversal of 68354874 is 47845386.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68354879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23977 + ... + 26675.

It is an arithmetic number, because the mean of its divisors is an integer number (2754000).

Almost surely, 2^68354874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68354874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88128000).

68354874 is an abundant number, since it is smaller than the sum of its proper divisors (107901126).

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

68354874 is a wasteful number, since it uses less digits than its factorization.

68354874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784 (or 2778 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 68354874 is about 8267.7006477013. The cubic root of 68354874 is about 408.8743145152.

The spelling of 68354874 in words is "sixty-eight million, three hundred fifty-four thousand, eight hundred seventy-four".