61912849 has 8 divisors (see below), whose sum is σ = 68005440. Its totient is φ = 56103696.

The previous prime is 61912847. The next prime is 61912867. The reversal of 61912849 is 94821916.

61912849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61912849 - 2¹ = 61912847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61912843) 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 7 ways as a sum of consecutive naturals, for example, 70402 + ... + 71275.

It is an arithmetic number, because the mean of its divisors is an integer number (8500680).

Almost surely, 2^61912849 is an apocalyptic number.

It is an amenable number.

61912849 is a deficient number, since it is larger than the sum of its proper divisors (6092591).

61912849 is a wasteful number, since it uses less digits than its factorization.

61912849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141719.

The product of its digits is 31104, while the sum is 40.

The square root of 61912849 is about 7868.4718338442. The cubic root of 61912849 is about 395.6036255066.

The spelling of 61912849 in words is "sixty-one million, nine hundred twelve thousand, eight hundred forty-nine".