76616297 has 4 divisors (see below), whose sum is σ = 81123156. Its totient is φ = 72109440.

The previous prime is 76616257. The next prime is 76616327. The reversal of 76616297 is 79261667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79261667 = 17 ⋅4662451.

It can be written as a sum of positive squares in 2 ways, for example, as 43943641 + 32672656 = 6629^2 + 5716^2 .

It is a cyclic number.

It is not a de Polignac number, because 76616297 - 2¹⁸ = 76354153 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253404 + ... + 2253437.

It is an arithmetic number, because the mean of its divisors is an integer number (20280789).

Almost surely, 2^76616297 is an apocalyptic number.

It is an amenable number.

76616297 is a deficient number, since it is larger than the sum of its proper divisors (4506859).

76616297 is a wasteful number, since it uses less digits than its factorization.

76616297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506858.

The product of its digits is 190512, while the sum is 44.

The square root of 76616297 is about 8753.0735744651. The cubic root of 76616297 is about 424.7242446481.

The spelling of 76616297 in words is "seventy-six million, six hundred sixteen thousand, two hundred ninety-seven".