61067250 has 128 divisors (see below), whose sum is σ = 172972800. Its totient is φ = 15940800.

The previous prime is 61067233. The next prime is 61067257. The reversal of 61067250 is 5276016.

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

It is not an unprimeable number, because it can be changed into a prime (61067257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 560196 + ... + 560304.

It is an arithmetic number, because the mean of its divisors is an integer number (1351350).

Almost surely, 2^61067250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61067250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86486400).

61067250 is an abundant number, since it is smaller than the sum of its proper divisors (111905550).

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

61067250 is a wasteful number, since it uses less digits than its factorization.

61067250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 61067250 is about 7814.5537300603. The cubic root of 61067250 is about 393.7943260756.

The spelling of 61067250 in words is "sixty-one million, sixty-seven thousand, two hundred fifty".