76685049 has 45 divisors (see below), whose sum is σ = 134222517. Its totient is φ = 43504776.

The previous prime is 76685029. The next prime is 76685069. The reversal of 76685049 is 94058667.

The square root of 76685049 is 8757.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (76685029) and next prime (76685069).

It is not a de Polignac number, because 76685049 - 2⁹ = 76684537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 76684995 and 76685013.

It is not an unprimeable number, because it can be changed into a prime (76685029) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 551622 + ... + 551760.

Almost surely, 2^76685049 is an apocalyptic number.

76685049 is the 8757-th square number.

76685049 is the 4379-th centered octagonal number.

It is an amenable number.

76685049 is a deficient number, since it is larger than the sum of its proper divisors (57537468).

76685049 is an equidigital number, since it uses as much as digits as its factorization.

76685049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The cubic root of 76685049 is about 424.8512494426.

The spelling of 76685049 in words is "seventy-six million, six hundred eighty-five thousand, forty-nine".