61065060 has 96 divisors (see below), whose sum is σ = 196439040. Its totient is φ = 13884288.

The previous prime is 61065049. The next prime is 61065061. The reversal of 61065060 is 6056016.

It is a self number, because there is not a number n which added to its sum of digits gives 61065060.

It is not an unprimeable number, because it can be changed into a prime (61065061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145531 + ... + 145949.

It is an arithmetic number, because the mean of its divisors is an integer number (2046240).

Almost surely, 2^61065060 is an apocalyptic number.

61065060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61065060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98219520).

61065060 is an abundant number, since it is smaller than the sum of its proper divisors (135373980).

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

61065060 is a wasteful number, since it uses less digits than its factorization.

61065060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 61065060 is about 7814.4136056393. The cubic root of 61065060 is about 393.7896185885.

The spelling of 61065060 in words is "sixty-one million, sixty-five thousand, sixty".