61031796 has 96 divisors (see below), whose sum is σ = 170069760. Its totient is φ = 16671744.

The previous prime is 61031767. The next prime is 61031797. The reversal of 61031796 is 69713016.

61031796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61031797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226750 + ... + 227018.

It is an arithmetic number, because the mean of its divisors is an integer number (1771560).

Almost surely, 2^61031796 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 61031796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85034880).

61031796 is an abundant number, since it is smaller than the sum of its proper divisors (109037964).

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

61031796 is a wasteful number, since it uses less digits than its factorization.

61031796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 61031796 is about 7812.2849410400. The cubic root of 61031796 is about 393.7181025307.

The spelling of 61031796 in words is "sixty-one million, thirty-one thousand, seven hundred ninety-six".