61946273 has 4 divisors (see below), whose sum is σ = 63386928. Its totient is φ = 60505620.

The previous prime is 61946263. The next prime is 61946299. The reversal of 61946273 is 37264916.

61946273 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61946273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61946243) 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, 720263 + ... + 720348.

It is an arithmetic number, because the mean of its divisors is an integer number (15846732).

Almost surely, 2^61946273 is an apocalyptic number.

It is an amenable number.

61946273 is a deficient number, since it is larger than the sum of its proper divisors (1440655).

61946273 is a wasteful number, since it uses less digits than its factorization.

61946273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440654.

The product of its digits is 54432, while the sum is 38.

The square root of 61946273 is about 7870.5954666721. The cubic root of 61946273 is about 395.6748023144.

The spelling of 61946273 in words is "sixty-one million, nine hundred forty-six thousand, two hundred seventy-three".