61007741 has 4 divisors (see below), whose sum is σ = 61028352. Its totient is φ = 60987132.

The previous prime is 61007731. The next prime is 61007761. The reversal of 61007741 is 14770016.

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 not a de Polignac number, because 61007741 - 2¹⁰ = 61006717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61007741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61007701) 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 3 ways as a sum of consecutive naturals, for example, 4931 + ... + 12096.

It is an arithmetic number, because the mean of its divisors is an integer number (15257088).

Almost surely, 2^61007741 is an apocalyptic number.

It is an amenable number.

61007741 is a deficient number, since it is larger than the sum of its proper divisors (20611).

61007741 is a wasteful number, since it uses less digits than its factorization.

61007741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20610.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 61007741 is about 7810.7452269294. The cubic root of 61007741 is about 393.6663692041. Note that the first 3 decimals are identical.

Adding to 61007741 its reverse (14770016), we get a palindrome (75777757).

The spelling of 61007741 in words is "sixty-one million, seven thousand, seven hundred forty-one".