76616247 has 8 divisors (see below), whose sum is σ = 102841200. Its totient is φ = 50734400.

The previous prime is 76616237. The next prime is 76616257. The reversal of 76616247 is 74261667.

It is an interprime number because it is at equal distance from previous prime (76616237) and next prime (76616257).

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 76616247 - 2⁷ = 76616119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76616237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85254 + ... + 86147.

It is an arithmetic number, because the mean of its divisors is an integer number (12855150).

Almost surely, 2^76616247 is an apocalyptic number.

76616247 is a deficient number, since it is larger than the sum of its proper divisors (26224953).

76616247 is a wasteful number, since it uses less digits than its factorization.

76616247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171553.

The product of its digits is 84672, while the sum is 39.

The square root of 76616247 is about 8753.0707183251. The cubic root of 76616247 is about 424.7241522560.

The spelling of 76616247 in words is "seventy-six million, six hundred sixteen thousand, two hundred forty-seven".