76606641 has 20 divisors (see below), whose sum is σ = 121170852. Its totient is φ = 48066048.

The previous prime is 76606609. The next prime is 76606643. The reversal of 76606641 is 14660667.

76606641 is a `hidden beast` number, since 7 + 6 + 6 + 0 + 6 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32251041 + 44355600 = 5679^2 + 6660^2 .

It is not a de Polignac number, because 76606641 - 2⁵ = 76606609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76606596 and 76606605.

It is not an unprimeable number, because it can be changed into a prime (76606643) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26440 + ... + 29193.

Almost surely, 2^76606641 is an apocalyptic number.

It is an amenable number.

76606641 is a deficient number, since it is larger than the sum of its proper divisors (44564211).

76606641 is a wasteful number, since it uses less digits than its factorization.

76606641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55662 (or 55653 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 76606641 is about 8752.5219794068. The cubic root of 76606641 is about 424.7064011441.

The spelling of 76606641 in words is "seventy-six million, six hundred six thousand, six hundred forty-one".