61326072 has 160 divisors (see below), whose sum is σ = 192099600. Its totient is φ = 18164736.

The previous prime is 61326071. The next prime is 61326079. The reversal of 61326072 is 27062316.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61326071) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 209158 + ... + 209450.

Almost surely, 2^61326072 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 61326072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96049800).

61326072 is an abundant number, since it is smaller than the sum of its proper divisors (130773528).

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

61326072 is a wasteful number, since it uses less digits than its factorization.

61326072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 61326072 is about 7831.0964749516. The cubic root of 61326072 is about 394.3498828860.

Adding to 61326072 its reverse (27062316), we get a palindrome (88388388).

The spelling of 61326072 in words is "sixty-one million, three hundred twenty-six thousand, seventy-two".