61113340 has 24 divisors (see below), whose sum is σ = 128997792. Its totient is φ = 24319680.

The previous prime is 61113331. The next prime is 61113341. The reversal of 61113340 is 4331116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61113341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3816 + ... + 11695.

It is an arithmetic number, because the mean of its divisors is an integer number (5374908).

Almost surely, 2^61113340 is an apocalyptic number.

It is an amenable number.

61113340 is an abundant number, since it is smaller than the sum of its proper divisors (67884452).

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

61113340 is a wasteful number, since it uses less digits than its factorization.

61113340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15717 (or 15715 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 61113340 is about 7817.5021586182. The cubic root of 61113340 is about 393.8933721612.

Adding to 61113340 its reverse (4331116), we get a palindrome (65444456).

The spelling of 61113340 in words is "sixty-one million, one hundred thirteen thousand, three hundred forty".