61036765 has 16 divisors (see below), whose sum is σ = 74419632. Its totient is φ = 48052224.

The previous prime is 61036757. The next prime is 61036841. The reversal of 61036765 is 56763016.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4756761 + 56280004 = 2181^2 + 7502^2 .

It is a cyclic number.

It is not a de Polignac number, because 61036765 - 2³ = 61036757 is a prime.

It is an alternating number because its digits alternate between even and odd.

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 61036765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153547 + ... + 153943.

It is an arithmetic number, because the mean of its divisors is an integer number (4651227).

Almost surely, 2^61036765 is an apocalyptic number.

It is an amenable number.

61036765 is a deficient number, since it is larger than the sum of its proper divisors (13382867).

61036765 is a wasteful number, since it uses less digits than its factorization.

61036765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 61036765 is about 7812.6029593216. The cubic root of 61036765 is about 393.7287873010.

The spelling of 61036765 in words is "sixty-one million, thirty-six thousand, seven hundred sixty-five".