61040075 has 12 divisors (see below), whose sum is σ = 77301600. Its totient is φ = 47792160.

The previous prime is 61040071. The next prime is 61040101. The reversal of 61040075 is 57004016.

It is not a de Polignac number, because 61040075 - 2² = 61040071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61040075.

It is not an unprimeable number, because it can be changed into a prime (61040071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24800 + ... + 27149.

It is an arithmetic number, because the mean of its divisors is an integer number (6441800).

Almost surely, 2^61040075 is an apocalyptic number.

61040075 is a deficient number, since it is larger than the sum of its proper divisors (16261525).

61040075 is a wasteful number, since it uses less digits than its factorization.

61040075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52006 (or 52001 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 61040075 is about 7812.8147936579. The cubic root of 61040075 is about 393.7359044253.

The spelling of 61040075 in words is "sixty-one million, forty thousand, seventy-five".