74100681 has 6 divisors (see below), whose sum is σ = 107034330. Its totient is φ = 49400448.

The previous prime is 74100673. The next prime is 74100709. The reversal of 74100681 is 18600147.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38638656 + 35462025 = 6216^2 + 5955^2 .

It is not a de Polignac number, because 74100681 - 2³ = 74100673 is a prime.

It is a super-2 number, since 2×74100681² = 10981821849327522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74100601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4116696 + ... + 4116713.

It is an arithmetic number, because the mean of its divisors is an integer number (17839055).

Almost surely, 2^74100681 is an apocalyptic number.

It is an amenable number.

74100681 is a deficient number, since it is larger than the sum of its proper divisors (32933649).

74100681 is a wasteful number, since it uses less digits than its factorization.

74100681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8233415 (or 8233412 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 74100681 is about 8608.1752421753. The cubic root of 74100681 is about 420.0239612180.

The spelling of 74100681 in words is "seventy-four million, one hundred thousand, six hundred eighty-one".