76386537 has 16 divisors (see below), whose sum is σ = 116225280. Its totient is φ = 49547376.

The previous prime is 76386529. The next prime is 76386581. The reversal of 76386537 is 73568367.

76386537 is a `hidden beast` number, since 7 + 638 + 6 + 5 + 3 + 7 = 666.

It is not a de Polignac number, because 76386537 - 2³ = 76386529 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 76386492 and 76386501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76381537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37233 + ... + 39230.

It is an arithmetic number, because the mean of its divisors is an integer number (7264080).

Almost surely, 2^76386537 is an apocalyptic number.

It is an amenable number.

76386537 is a deficient number, since it is larger than the sum of its proper divisors (39838743).

76386537 is a wasteful number, since it uses less digits than its factorization.

76386537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76509 (or 76503 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 76386537 is about 8739.9391874315. The cubic root of 76386537 is about 424.2992595556.

The spelling of 76386537 in words is "seventy-six million, three hundred eighty-six thousand, five hundred thirty-seven".