61947395 has 16 divisors (see below), whose sum is σ = 77861952. Its totient is φ = 47224320.

The previous prime is 61947377. The next prime is 61947397. The reversal of 61947395 is 59374916.

61947395 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61947395 - 2¹⁰ = 61946371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61947397) 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 15 ways as a sum of consecutive naturals, for example, 35135 + ... + 36855.

It is an arithmetic number, because the mean of its divisors is an integer number (4866372).

Almost surely, 2^61947395 is an apocalyptic number.

61947395 is a deficient number, since it is larger than the sum of its proper divisors (15914557).

61947395 is a wasteful number, since it uses less digits than its factorization.

61947395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062.

The product of its digits is 204120, while the sum is 44.

The square root of 61947395 is about 7870.6667443108. Note that the first 3 decimals coincide. The cubic root of 61947395 is about 395.6771911826.

The spelling of 61947395 in words is "sixty-one million, nine hundred forty-seven thousand, three hundred ninety-five".