61065036 has 48 divisors (see below), whose sum is σ = 160120800. Its totient is φ = 20123136.

The previous prime is 61065019. The next prime is 61065049. The reversal of 61065036 is 63056016.

61065036 is a `hidden beast` number, since 6 + 1 + 0 + 650 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 6436 + ... + 12788.

It is an arithmetic number, because the mean of its divisors is an integer number (3335850).

Almost surely, 2^61065036 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 61065036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80060400).

61065036 is an abundant number, since it is smaller than the sum of its proper divisors (99055764).

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

61065036 is a wasteful number, since it uses less digits than its factorization.

61065036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455 (or 6447 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 61065036 is about 7814.4120700152. The cubic root of 61065036 is about 393.7895669989.

The spelling of 61065036 in words is "sixty-one million, sixty-five thousand, thirty-six".