76306505 has 16 divisors (see below), whose sum is σ = 100929024. Its totient is φ = 54919680.

The previous prime is 76306499. The next prime is 76306513. The reversal of 76306505 is 50560367.

It is not a de Polignac number, because 76306505 - 2⁶ = 76306441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1817 + ... + 12486.

It is an arithmetic number, because the mean of its divisors is an integer number (6308064).

Almost surely, 2^76306505 is an apocalyptic number.

It is an amenable number.

76306505 is a deficient number, since it is larger than the sum of its proper divisors (24622519).

76306505 is a wasteful number, since it uses less digits than its factorization.

76306505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14416.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 76306505 is about 8735.3594659865. The cubic root of 76306505 is about 424.1510249497.

The spelling of 76306505 in words is "seventy-six million, three hundred six thousand, five hundred five".