61650342 has 64 divisors (see below), whose sum is σ = 150413760. Its totient is φ = 18600192.

The previous prime is 61650319. The next prime is 61650343. The reversal of 61650342 is 24305616.

61650342 is a `hidden beast` number, since 6 + 1 + 650 + 3 + 4 + 2 = 666.

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 (61650343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36378 + ... + 38034.

It is an arithmetic number, because the mean of its divisors is an integer number (2350215).

Almost surely, 2^61650342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61650342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75206880).

61650342 is an abundant number, since it is smaller than the sum of its proper divisors (88763418).

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

61650342 is a wasteful number, since it uses less digits than its factorization.

61650342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734 (or 1728 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 61650342 is about 7851.7731755318. The cubic root of 61650342 is about 395.0437210591.

Adding to 61650342 its reverse (24305616), we get a palindrome (85955958).

The spelling of 61650342 in words is "sixty-one million, six hundred fifty thousand, three hundred forty-two".