61289296 has 40 divisors (see below), whose sum is σ = 128206080. Its totient is φ = 28296576.

The previous prime is 61289287. The next prime is 61289303. The reversal of 61289296 is 69298216.

61289296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7801 + ... + 13543.

It is an arithmetic number, because the mean of its divisors is an integer number (3205152).

Almost surely, 2^61289296 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 61289296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64103040).

61289296 is an abundant number, since it is smaller than the sum of its proper divisors (66916784).

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

61289296 is a wasteful number, since it uses less digits than its factorization.

61289296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803 (or 5797 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 61289296 is about 7828.7480480598. The cubic root of 61289296 is about 394.2710392514.

The spelling of 61289296 in words is "sixty-one million, two hundred eighty-nine thousand, two hundred ninety-six".