61126736 has 80 divisors (see below), whose sum is σ = 136116288. Its totient is φ = 26342400.

The previous prime is 61126733. The next prime is 61126757. The reversal of 61126736 is 63762116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61126733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310190 + ... + 310386.

Almost surely, 2^61126736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61126736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68058144).

61126736 is an abundant number, since it is smaller than the sum of its proper divisors (74989552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61126736 is a wasteful number, since it uses less digits than its factorization.

61126736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 294 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 61126736 is about 7818.3589070853. The cubic root of 61126736 is about 393.9221504395.

The spelling of 61126736 in words is "sixty-one million, one hundred twenty-six thousand, seven hundred thirty-six".