74206868 has 6 divisors (see below), whose sum is σ = 129862026. Its totient is φ = 37103432.

The previous prime is 74206861. The next prime is 74206883. The reversal of 74206868 is 86860247.

It can be written as a sum of positive squares in only one way, i.e., 68194564 + 6012304 = 8258^2 + 2452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74206861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9275855 + ... + 9275862.

It is an arithmetic number, because the mean of its divisors is an integer number (21643671).

Almost surely, 2^74206868 is an apocalyptic number.

It is an amenable number.

74206868 is a deficient number, since it is larger than the sum of its proper divisors (55655158).

74206868 is a wasteful number, since it uses less digits than its factorization.

74206868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18551721 (or 18551719 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 74206868 is about 8614.3408337493. The cubic root of 74206868 is about 420.2244982716.

The spelling of 74206868 in words is "seventy-four million, two hundred six thousand, eight hundred sixty-eight".