61024740 has 192 divisors, whose sum is σ = 208158720. Its totient is φ = 13063680.

The previous prime is 61024723. The next prime is 61024741. The reversal of 61024740 is 4742016.

61024740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61024740.

It is not an unprimeable number, because it can be changed into a prime (61024741) 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 63 ways as a sum of consecutive naturals, for example, 559806 + ... + 559914.

It is an arithmetic number, because the mean of its divisors is an integer number (1084160).

Almost surely, 2^61024740 is an apocalyptic number.

61024740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61024740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104079360).

61024740 is an abundant number, since it is smaller than the sum of its proper divisors (147133980).

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

61024740 is a wasteful number, since it uses less digits than its factorization.

61024740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 61024740 is about 7811.8333315554. The cubic root of 61024740 is about 393.7029291174.

Adding to 61024740 its reverse (4742016), we get a palindrome (65766756).

The spelling of 61024740 in words is "sixty-one million, twenty-four thousand, seven hundred forty".