61676291 has 4 divisors (see below), whose sum is σ = 61692000. Its totient is φ = 61660584.

The previous prime is 61676287. The next prime is 61676309. The reversal of 61676291 is 19267616.

61676291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 61676291 - 2² = 61676287 is a prime.

It is a super-3 number, since 3×61676291³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61678291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3785 + ... + 11733.

It is an arithmetic number, because the mean of its divisors is an integer number (15423000).

Almost surely, 2^61676291 is an apocalyptic number.

61676291 is a deficient number, since it is larger than the sum of its proper divisors (15709).

61676291 is an equidigital number, since it uses as much as digits as its factorization.

61676291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15708.

The product of its digits is 27216, while the sum is 38.

The square root of 61676291 is about 7853.4254309823. The cubic root of 61676291 is about 395.0991387113.

The spelling of 61676291 in words is "sixty-one million, six hundred seventy-six thousand, two hundred ninety-one".