4074528681 has 48 divisors (see below), whose sum is σ = 6214440960. Its totient is φ = 2568948480.

The previous prime is 4074528641. The next prime is 4074528707. The reversal of 4074528681 is 1868254704.

4074528681 is a `hidden beast` number, since 40 + 7 + 4 + 528 + 6 + 81 = 666.

It is not a de Polignac number, because 4074528681 - 2¹⁷ = 4074397609 is a prime.

It is a super-3 number, since 3×4074528681³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (4074528641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2750461 + ... + 2751941.

It is an arithmetic number, because the mean of its divisors is an integer number (129467520).

Almost surely, 2^4074528681 is an apocalyptic number.

It is an amenable number.

4074528681 is a deficient number, since it is larger than the sum of its proper divisors (2139912279).

4074528681 is a wasteful number, since it uses less digits than its factorization.

4074528681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 4074528681 is about 63832.0349119468. The cubic root of 4074528681 is about 1597.1993559444.

The spelling of 4074528681 in words is "four billion, seventy-four million, five hundred twenty-eight thousand, six hundred eighty-one".