76490217 has 16 divisors (see below), whose sum is σ = 114917760. Its totient is φ = 50274000.

The previous prime is 76490207. The next prime is 76490221. The reversal of 76490217 is 71209467.

It is a happy number.

76490217 is a `hidden beast` number, since 7 + 649 + 0 + 2 + 1 + 7 = 666.

It is not a de Polignac number, because 76490217 - 2⁴ = 76490201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76490207) 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, 18034 + ... + 21867.

It is an arithmetic number, because the mean of its divisors is an integer number (7182360).

Almost surely, 2^76490217 is an apocalyptic number.

It is an amenable number.

76490217 is a deficient number, since it is larger than the sum of its proper divisors (38427543).

76490217 is a wasteful number, since it uses less digits than its factorization.

76490217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39981 (or 39975 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 76490217 is about 8745.8685675009. The cubic root of 76490217 is about 424.4911409206.

The spelling of 76490217 in words is "seventy-six million, four hundred ninety thousand, two hundred seventeen".