76496209 has 8 divisors (see below), whose sum is σ = 81514728. Its totient is φ = 71535360.

The previous prime is 76496191. The next prime is 76496219. The reversal of 76496209 is 90269467.

It can be written as a sum of positive squares in 4 ways, for example, as 36869184 + 39627025 = 6072^2 + 6295^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 76496209 - 2⁵ = 76496177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76496219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11662 + ... + 16999.

It is an arithmetic number, because the mean of its divisors is an integer number (10189341).

Almost surely, 2^76496209 is an apocalyptic number.

It is an amenable number.

76496209 is a deficient number, since it is larger than the sum of its proper divisors (5018519).

76496209 is a wasteful number, since it uses less digits than its factorization.

76496209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28835.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 76496209 is about 8746.2111225376. The cubic root of 76496209 is about 424.5022250592.

The spelling of 76496209 in words is "seventy-six million, four hundred ninety-six thousand, two hundred nine".