61075943 has 6 divisors (see below), whose sum is σ = 63255504. Its totient is φ = 58969064.

The previous prime is 61075933. The next prime is 61075979. The reversal of 61075943 is 34957016.

It is not a de Polignac number, because 61075943 - 2¹⁰ = 61074919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61075913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35471 + ... + 37152.

It is an arithmetic number, because the mean of its divisors is an integer number (10542584).

Almost surely, 2^61075943 is an apocalyptic number.

61075943 is a deficient number, since it is larger than the sum of its proper divisors (2179561).

61075943 is an equidigital number, since it uses as much as digits as its factorization.

61075943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72681 (or 72652 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 61075943 is about 7815.1099160536. The cubic root of 61075943 is about 393.8130108952.

The spelling of 61075943 in words is "sixty-one million, seventy-five thousand, nine hundred forty-three".