61830912 has 144 divisors (see below), whose sum is σ = 193673088. Its totient is φ = 17264640.

The previous prime is 61830907. The next prime is 61830919. The reversal of 61830912 is 21903816.

It is a self number, because there is not a number n which added to its sum of digits gives 61830912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61830919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109543 + ... + 110105.

It is an arithmetic number, because the mean of its divisors is an integer number (1344952).

Almost surely, 2^61830912 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 61830912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96836544).

61830912 is an abundant number, since it is smaller than the sum of its proper divisors (131842176).

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

61830912 is a wasteful number, since it uses less digits than its factorization.

61830912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 61830912 is about 7863.2634446520. The cubic root of 61830912 is about 395.4290312464.

The spelling of 61830912 in words is "sixty-one million, eight hundred thirty thousand, nine hundred twelve".