76289849 has 4 divisors (see below), whose sum is σ = 76480500. Its totient is φ = 76099200.

The previous prime is 76289839. The next prime is 76289867. The reversal of 76289849 is 94898267.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94898267 = 17 ⋅5582251.

It can be written as a sum of positive squares in 2 ways, for example, as 75134224 + 1155625 = 8668^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 76289849 - 2⁸ = 76289593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 76289849.

It is not an unprimeable number, because it can be changed into a prime (76289809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94724 + ... + 95525.

It is an arithmetic number, because the mean of its divisors is an integer number (19120125).

Almost surely, 2^76289849 is an apocalyptic number.

It is an amenable number.

76289849 is a deficient number, since it is larger than the sum of its proper divisors (190651).

76289849 is a wasteful number, since it uses less digits than its factorization.

76289849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190650.

The product of its digits is 1741824, while the sum is 53.

The square root of 76289849 is about 8734.4060473509. The cubic root of 76289849 is about 424.1201618162.

The spelling of 76289849 in words is "seventy-six million, two hundred eighty-nine thousand, eight hundred forty-nine".