61949612 has 6 divisors (see below), whose sum is σ = 108411828. Its totient is φ = 30974804.

The previous prime is 61949611. The next prime is 61949621. The reversal of 61949612 is 21694916.

61949612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61949611) 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 as a sum of consecutive naturals, namely, 7743698 + ... + 7743705.

It is an arithmetic number, because the mean of its divisors is an integer number (18068638).

Almost surely, 2^61949612 is an apocalyptic number.

It is an amenable number.

61949612 is a deficient number, since it is larger than the sum of its proper divisors (46462216).

61949612 is a wasteful number, since it uses less digits than its factorization.

61949612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15487407 (or 15487405 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 61949612 is about 7870.8075824530. The cubic root of 61949612 is about 395.6819113481.

The spelling of 61949612 in words is "sixty-one million, nine hundred forty-nine thousand, six hundred twelve".