76308505 has 16 divisors (see below), whose sum is σ = 112702464. Its totient is φ = 48300480.

The previous prime is 76308493. The next prime is 76308509. The reversal of 76308505 is 50580367.

It is a happy number.

It is not a de Polignac number, because 76308505 - 2⁹ = 76307993 is a prime.

It is a super-3 number, since 3×76308505³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (76308509) 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, 83401 + ... + 84310.

It is an arithmetic number, because the mean of its divisors is an integer number (7043904).

Almost surely, 2^76308505 is an apocalyptic number.

It is an amenable number.

76308505 is a deficient number, since it is larger than the sum of its proper divisors (36393959).

76308505 is a wasteful number, since it uses less digits than its factorization.

76308505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167736.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 76308505 is about 8735.4739424945. The cubic root of 76308505 is about 424.1547305955.

The spelling of 76308505 in words is "seventy-six million, three hundred eight thousand, five hundred five".